<Page> EXHIBIT 10.1 LICENSE AGREEMENT THIS LICENSE AGREEMENT ("AGREEMENT") is entered into as of this 31st day of October 2001, by and between ADC TELECOMMUNICATIONS OY ("SOLITRA") (which is in the process of changing its name to either REMEC Oy or REMEC Finland Oy), a corporation formed under the laws of the Republic of Finland, and ADC TELECOMMUNICATIONS, INC. ("ADC"), a Minnesota corporation. WHEREAS, REMEC, Inc. ("REMEC"), ADC and ADC Mersum Oy ("MERSUM") have entered into that certain amended and restated Securities Purchase Agreement dated as of October 8, 2001, and effective as of October 1, 2001 (the "SECURITIES PURCHASE AGREEMENT") providing for the sale of the stock of Mersum by ADC to REMEC; WHEREAS, as a part of the Securities Purchase Agreement, the parties have agreed that ADC shall grant to Solitra a license to certain patents; WHEREAS, as a part of the Securities Purchase Agreement, the parties have agreed that Solitra shall grant to ADC and its subsidiaries a license to certain patents; and WHEREAS, as a part of the Securities Purchase Agreement, all other licenses to intellectual property owned by each of ADC and Mersum and their respective subsidiaries other than as expressly granted herein are terminated effective as of the Closing Date (as defined in the Securities Purchase Agreement). NOW, THEREFORE, in consideration of the foregoing and of the mutual promises that follow, the parties agree that: 1. DEFINITIONS As used in this Agreement, the following terms shall have the following meanings: 1.1 "ADC LICENSED PATENTS" means (i) the patents and patent applications (and any patents issuing from such applications) listed on Exhibit 1 to this Agreement and (ii) all continuing and foreign applications anywhere in the world claiming priority from the listed patents and patent applications (and all patents issuing from such applications) including, without limitation, any divisional, substitution, reissue, extension and reexamination applications, but excluding any continuation-in-part applications filed after the Closing Date. 1.2 "SOLITRA LICENSED PATENTS" means (i) the patents and patent applications (and any patents issuing from such applications) listed on Exhibit 2 to this Agreement and (ii) all continuing and foreign applications anywhere in the world claiming priority from the listed patents and patent applications (and all patents issuing from such applications) including, without limitation, any divisional, substitution, reissue, extension and reexamination applications, but excluding any continuation-in-part applications filed after the Closing Date. <Page> 1.3 "SOLITRA EXCLUSIVE FIELD OF USE" means the field of use specified in Exhibit 3 to this Agreement. 2. LIMITED LICENSE 2.1 Subject to the terms of this Agreement, ADC hereby grants to Solitra an exclusive, worldwide, royalty-free, fully paid-up, limited license under the ADC Licensed Patents to make, have made, use, sell, offer to sell, and import products included in the Solitra Exclusive Field of Use. 2.2 Subject to the terms of this Agreement, ADC hereby grants to Solitra a nonexclusive, worldwide, royalty-free, perpetual, fully paid-up, limited license under the ADC Licensed Patents to make, have made, use, sell, offer to sell, and import any products in any field, subject always to the exclusive license granted in Section 2.1 above. 2.3 Under the license granted in Section 2.1, Solitra may grant to third parties sublicenses to make, have made, use, sell, offer to sell, and import products in the Solitra Exclusive Field of Use subject to the terms and conditions in this Agreement. 2.4 Subject to the terms of this Agreement, Solitra hereby grants to ADC and its subsidiaries a nonexclusive, worldwide, royalty-free, perpetual, fully paid-up, limited license under the Solitra Licensed Patents to make, have made, use, sell, offer to sell, and import any products in any field other than in the Solitra Exclusive Field of Use. 2.5 The licenses granted in this Agreement shall be binding on any successor of ADC in ownership or control of the ADC Licensed Patents, and the obligations of Solitra shall run in favor of any such successor and of any assignee of ADC's benefits under this Agreement. The licenses granted in this Agreement shall be binding on any successor of Solitra in ownership or control of the Solitra Licensed Patents, and the obligations of ADC shall run in favor of any such successor and of any assignee of Solitra's benefits under this Agreement. The rights and licenses granted by ADC in this Agreement are personal to Solitra and may not be assigned or otherwise transferred without the written consent of ADC, which will not be unreasonably withheld. The rights and licenses granted by Solitra in this Agreement are personal to ADC and may not be assigned or otherwise transferred without the written consent of Solitra, which will not be unreasonably withheld. The preceding two sentences notwithstanding, each of the parties shall be free to assign or otherwise transfer its respective rights and obligations (i) to any other business entity controlling, controlled by or under common control with the party and (ii) to any other business entity in conjunction with the sale or transfer of substantially all of the assets associated with the party's performance under this Agreement. 2.6 There are no other licenses, implied or otherwise, granted by ADC to Solitra or by Solitra to ADC under this Agreement. The parties each expressly reserves all other rights related to the Licensed Patents of the respective parties. 2.7 All other licenses, express or implied, from Solitra to ADC or to its subsidiaries to intellectual property owned by Solitra and its subsidiaries other than as expressly granted under this Agreement are terminated as of the Closing Date. 2 <Page> 3. INFRINGEMENT OF LICENSED PATENTS BY THIRD PARTIES 3.1 Solitra has the right: (a) To bring suit against third parties in its own name, or if required by law, jointly with ADC, at Solitra's own expense and on its own behalf, for infringement of the ADC Licensed Patents due to the making, using, selling, offering to sell, or importing of products within Solitra's Exclusive Field of Use; (b) In any such suit to enjoin infringement and to collect for its use, damages, profits, and awards of whatever nature recoverable for such infringement; and (c) To settle any claim or suit for infringement of the ADC Licensed Patents due to the making, using, selling, offering to sell, or importing of products within Solitra's Exclusive Field of Use including without limitation by granting the infringing party a sublicense under the provisions of Section 2 of this Agreement. 3.2 In the event that Solitra reasonably determines that ADC is a necessary party to an action brought by Solitra or its successors in interest for infringement of the ADC Licensed Patents, ADC will cooperate and participate so as to maximize the chances for a successful outcome of such action. Without limitation, ADC shall provide all documentation in its possession and shall make its personnel reasonably available at Solitra's direction so as to assist Solitra in prosecuting such action. 3.3 Except as explicitly set forth in Section 3.1, ADC shall retain the exclusive right to seek, perfect, prosecute, register, maintain, assert against third parties, or otherwise preserve and protect the ADC Licensed Patents, at ADC's sole discretion and cost. Solitra agrees to cooperate fully and promptly with ADC in its exercise of these rights. In the event that ADC decides to discontinue the prosecution or the maintenance of any patent application or patent included in the ADC Licensed Patents, ADC shall give Solitra written notice at least 30 days prior to the action to be taken and shall offer Solitra the right to assume such prosecution or maintenance at Solitra's expense without any interference from ADC. 4. WARRANTIES AND REPRESENTATIONS 4.1 ADC warrants and represents that (i) that ADC has not granted rights to third parties under the ADC Licensed Patents that conflict with the rights granted to Solitra hereunder; and (ii) the ADC Licensed Patents are free of any security interests. 4.2 Except as set forth in Section 4.1 above or otherwise contained in the Securities Purchase Agreement, ADC makes no representations or warranties of any nature, either express or implied. Without limiting the generality of the foregoing, ADC makes no representations or warranties concerning: (a) validity or scope of any of the ADC Licensed Patents or the Solitra Licensed Patents; or 3 <Page> (b) infringement of patents or other intellectual or proprietary rights of third parties; or (c) maintenance or filing of patents; or (d) prosecution of actions or suits against third parties for infringement (except to the extent and in the circumstances stated in Article 3); (e) furnishing of any manufacturing or technical information; or (f) conferring a right to use in advertising, publicity, or otherwise any trademark or trade name of ADC; or (g) granting by implication, estoppel, or otherwise, any licenses or rights under patents of ADC other than ADC Licensed Patents as defined herein, regardless of whether such other patents are dominant of or subordinate to any of the ADC Licensed Patents. 4.3 Neither ADC or Solitra assumes any responsibilities whatever with respect to making, using, selling, offering to sell, importing, or otherwise disposing, by the other or its vendees or other transferees, of products incorporating or making use of (a) inventions licensed to the other under this Agreement or (b) information, if any, furnished under the Agreement. 5. TERM AND TERMINATION This Agreement shall be effective on the date first written above and shall continue in force indefinitely subject to the right of (i) Solitra to terminate this Agreement at any time immediately upon giving written notice of termination to ADC if ADC fails to cure any material breach of this Agreement within sixty (60) days after ADC receives written notice thereof from Solitra; and (ii) ADC to terminate this Agreement immediately upon giving written notice of termination to Solitra if Solitra and/or any Solitra sublicensee fails to cure any material breach of this Agreement within sixty (60) days after Solitra receives written notice thereof from ADC. 6. GENERAL PROVISIONS 6.1 PRESS RELEASES AND PUBLIC ANNOUNCEMENTS. No party shall issue any press release or make any public announcement relating to the subject matter of this Agreement or any of the licenses granted herein without the prior written approval of the other party hereto; PROVIDED, HOWEVER, that either party may make any public disclosure it believes in good faith is required by applicable law or any listing or trading agreement concerning its publicly traded securities (in which case the disclosing party, prior to making the disclosure, shall, if reasonable under the circumstances, advise the other party and give it a reasonable opportunity to comment thereon). 6.2 NO THIRD-PARTY BENEFICIARIES. This Agreement shall not confer any rights or remedies upon any person other than the parties and their respective successors and permitted assigns. 6.3 ENTIRE AGREEMENT. This Agreement together with the Securities Purchase Agreement and all related documents constitutes the entire agreement among the parties and 4 <Page> supersedes any prior understandings, agreements, or representations by or among the parties, written or oral, to the extent they have related in any way to the subject matter hereof. 6.4 SUCCESSION AND ASSIGNMENT. This Agreement shall be binding upon and inure to the benefit of the parties named herein and their respective successors and permitted assigns. Except as expressly described herein, neither party may assign either this Agreement or any of its rights, interests, or obligations hereunder without the prior written approval of the other party or its successors-in-interest. 6.5 COUNTERPARTS. This Agreement may be executed in one or more counterparts, each of which shall be deemed an original but all of which together will constitute one and the same instrument. 6.6 HEADINGS. The section headings contained in this Agreement are inserted for convenience only and shall not affect in any way the meaning or interpretation of this Agreement. 6.7 NOTICES. All notices, requests, demands, claims, and other communications hereunder will be in writing. Any notice, request, demand, claim, or other communication hereunder shall be deemed duly given when delivered personally, one business day after being delivered to an overnight courier or when telecopied (with a confirming copy sent by overnight courier) or two business days after it is sent by registered or certified mail, return receipt requested, postage prepaid, and addressed to the intended recipient as set forth below (or at such other address for a party as shall be specified by like notice): If to ADC: ADC Telecommunications, Inc. 13625 Technology Drive Eden Prairie, MN 55344-2252 Attention: Intellectual Property Attorney Facsimile: (952) 917-0638 Copy to: Dorsey & Whitney LLP 50 South Sixth Street. Suite 1500 Minneapolis, MN 55402-1498 Attention: Robert A. Rosenbaum Facsimile: (612) 340-8738 If to Solitra: REMEC, Inc. 9404 Chesapeake Drive San Diego, CA 92120 Attention: Chief Executive Officer 5 <Page> Facsimile: (949) 831-2753 Copy to: Heller Ehrman White & McAuliffe LLP 333 Bush Street San Francisco, CA 94104-2878 Attention: Victor A. Hebert Facsimile: (415) 772-6268 6.8 GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the domestic laws of the State of New York without giving effect to any choice or conflict of law provision or rule (whether of the State of New York or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of New York. 6.9 EXPENSES. Except as expressly set forth herein, each party hereto will bear its own costs and expenses (including legal fees and expenses) incurred in connection with this Agreement and the transactions contemplated hereby. 6.10 CONSTRUCTION. The parties have participated jointly in the negotiation and drafting of this Agreement. In the event an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly by the parties and no presumption or burden of proof shall arise favoring or disfavoring any party by virtue of the authorship of any of the provisions of this Agreement. Any reference to any federal, state, local, or foreign statute or law shall be deemed also to refer to all rules and regulations promulgated thereunder, unless the context requires otherwise. The word "INCLUDING" shall mean including without limitation. 6.11 INCORPORATION OF EXHIBITS. The Exhibits referred to in this Agreement are incorporated herein by reference and made a part hereof. The parties shall be strictly independent contractors under this Agreement, and neither party shall have the power to represent or bind the other party. 6.12 WAIVER OF CERTAIN REMEDIES. EXCEPT AS SPECIFICALLY PROVIDED IN THIS AGREEMENT, NEITHER PARTY SHALL BE LIABLE TO THE OTHER PARTY FOR ANY PROFITS LOST BY THE OTHER PARTY OR FOR ANY CONSEQUENTIAL, EXEMPLARY, INCIDENTAL, INDIRECT OR SPECIAL DAMAGES SUFFERED BY THE OTHER PARTY, EVEN IF A PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 6.13 SEVERABILITY. Should any provision of this Agreement be held to be void, invalid, unenforceable or illegal by a court, the validity and enforceability of the other provisions shall not be affected thereby. 6.14 NO WAIVER OF RIGHT TO ENFORCE. Failure of either party to enforce any provision of this Agreement shall not constitute or be construed as a waiver of such provision nor of the right to enforce such provision. 6 <Page> IN WITNESS WHEREOF, the parties have executed this Agreement by their authorized representatives. ADC TELECOMMUNICATIONS OY: By /s/ Gokul V. Hemmady Its Director ADC TELECOMMUNICATIONS, INC.: By /s/ Robert E. Switz Its Chief Financial Officer ACKNOWLEDGED AND AGREED TO: REMEC, INC. By /s/ Ronald Ragland Its Chief Executive Officer and Chairman of the Board <Page> EXHIBIT 1 TO LICENSE AGREEMENT ADC LICENSED PATENTS <Table> <Caption> - ----------------------------------------------------------------------------------------------------------------------------- CASE NUMBER COUNTRY TITLE APPLICATION PATENT FILING DATE ISSUE DATE NO. NO. - ----------------------------------------------------------------------------------------------------------------------------- 100.0169-US-01 UNITED STATES FILTER STRUCTURE INCLUDING 04-APR-2001 CIRCUIT BOARD - ----------------------------------------------------------------------------------------------------------------------------- 100.0181-US-01 UNITED STATES CIRCUIT ARRANGEMENT FOR 09/012,264 6,023,205 23-JAN-1998 08-FEB-2000 REDUCING PASSBAND RIPPLE OF A BANDPASS FILTER - ----------------------------------------------------------------------------------------------------------------------------- 100.0181-CN-WO China 99802360.4 07-Dec-2000 - ----------------------------------------------------------------------------------------------------------------------------- 100.0181-EP-WO EP 99902107.4 - ----------------------------------------------------------------------------------------------------------------------------- 100.0181-PCT-01 PCT US99/00354 19-Jan-1999 - ----------------------------------------------------------------------------------------------------------------------------- 100.0266-US-01 UNITED STATES TUNING A CAVITY FILTER BASED ON 26-OCT-2001 POSITIONAL DATA FOR TUNING (ANTICIPATED) MEMBERS - ----------------------------------------------------------------------------------------------------------------------------- 20.0004-US-01 UNITED STATES CONNECTION ARRANGEMENT 537252 5,692,927 29-SEP-1995 02-DEC-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0004-EP-01 EP 95306986 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0004-FN-01 Finland 944667 96461 05-Oct-1994 15-Mar-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0004-FR-EP France 95306986 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0004-GE-EP Germany 95306986 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0004-LT-EP Liechtenstein 95306986 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0004-SW-EP Switzerland 95306986 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0004-UK-EP United Kingdom 95306986 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0010-US-01 UNITED STATES CONNECTION ARRANGEMENT 500251 5,890,913 14-JUL-1995 06-APR-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0010-FN-01 Finland 943329 96459 12-Jul-1994 15-Mar-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0010-UK-01 United Kingdom 95141131 2292487 11-Jul-1995 21-Aug-1996 - ----------------------------------------------------------------------------------------------------------------------------- </Table> <Page> EXHIBIT 2 TO LICENSE AGREEMENT SOLITRA LICENSED PATENTS <Table> <Caption> - ----------------------------------------------------------------------------------------------------------------------------- CASE NUMBER COUNTRY TITLE APPLICATION PATENT FILING DATE ISSUE DATE NO. NO. - ----------------------------------------------------------------------------------------------------------------------------- 100.0155-US-01 UNITED STATES DIELECTRIC ROD RESONATOR 09/711,598 13-NOV-2000 - ----------------------------------------------------------------------------------------------------------------------------- 100.0174-US-01 UNITED STATES CAVITY RESONATOR STRUCTURE 08/821,246 5,894,250 20-MAR-1997 13-APR-1999 HAVING IMPROVED CAVITY ARRANGEMENT - ----------------------------------------------------------------------------------------------------------------------------- 100.0174-CN-01 China CN 98803567.7 18-Mar-1998 - ----------------------------------------------------------------------------------------------------------------------------- 100.0174-EP-WO EP 98911793.2 18-Mar-1998 - ----------------------------------------------------------------------------------------------------------------------------- 100.0174-PCT-01 PCT US98/05353 18-Mar-1998 - ----------------------------------------------------------------------------------------------------------------------------- 100.0175-US-01 UNITED STATES RESONATING STRUCTURE 08/886,990 5,969,584 02-JUL-1997 19-OCT-1999 PROVIDING NOTCH AND BANDPASS FILTERING - ----------------------------------------------------------------------------------------------------------------------------- 100.0175-PCT-01 PCT US98/13817 ABANDONED 02-Jul-1998 - ----------------------------------------------------------------------------------------------------------------------------- 100.0179-US-01 US TEMPERATURE COMPENSATION 08/878,495 5,905,419 18-JUN-1997 18-MAY-1999 STRUCTURE FOR RESONATOR CAVITY - ----------------------------------------------------------------------------------------------------------------------------- 100.0179-CN-01 China CN 98806882.6 17-Jun-1998 - ----------------------------------------------------------------------------------------------------------------------------- 100.0179-EP-WO EP 98931349.9 17-Jun-1998 - ----------------------------------------------------------------------------------------------------------------------------- 100.0179-PCT-01 PCT US98/12664 17-Jun-1998 - ----------------------------------------------------------------------------------------------------------------------------- 100.0182-US-01 UNITED STATES COUPLING STRUCTURE FOR 09/247,380 6,232,851 10-FEB-1999 15-MAY-2001 CAVITY RESONATORS - ----------------------------------------------------------------------------------------------------------------------------- 100.0182-PCT-01 PCT US00/03440 10-Feb-2000 - ----------------------------------------------------------------------------------------------------------------------------- 100.0183-US-01 UNITED STATES CIRCUIT ARRANGEMENT FOR 09/012,755 6,072,824 23-JAN-1998 06-JUN-2000 REDUCING INTERMODULATION IN A BANDPASS FILTER SYSTEM - ----------------------------------------------------------------------------------------------------------------------------- 100.0183-CN-WO China 99802359 19-Jan-1999 - ----------------------------------------------------------------------------------------------------------------------------- 100.0183-EP-WO EP 99903156 19-Jan-2000 - ----------------------------------------------------------------------------------------------------------------------------- 100.0183-PCT-01 PCT US99/01013 19-Jan-1999 - ----------------------------------------------------------------------------------------------------------------------------- 100.0184-US-01 UNITED STATES METHOD AND CIRCUIT 09/019,847 5,977,835 06-FEB-1998 02-NOV-1999 ARRANGEMENT FOR REDUCING PASSBAND RIPPLE OF A BANDPASS FILTER - ----------------------------------------------------------------------------------------------------------------------------- 100.0184-PCT-01 PCT US99/0225 ABANDONED 02-Feb-1999 - ----------------------------------------------------------------------------------------------------------------------------- 100.0194-US-01 UNITED STATES HIGH DYNAMIC RANGE 07-MAY-2001 AMPLIFICATION CIRCUIT - ----------------------------------------------------------------------------------------------------------------------------- 100.0197-US-01 UNITED STATES DYNAMIC RANGE EXTENSION FOR 09/875,322 06-JUN-2001 AN ELECTRONIC CIRCUIT - ----------------------------------------------------------------------------------------------------------------------------- 100.0201-US-01 UNITED STATES DUAL MODE RESONATOR 09/876,590 07-JUN-2001 - ----------------------------------------------------------------------------------------------------------------------------- 100.0215-US-01 UNITED STATES TUNABLE RESONATOR 09/922,542 03-AUG-2001 - ----------------------------------------------------------------------------------------------------------------------------- </Table> <Page> <Table> <Caption> - ----------------------------------------------------------------------------------------------------------------------------- CASE NUMBER COUNTRY TITLE APPLICATION PATENT FILING DATE ISSUE DATE NO. NO. - ----------------------------------------------------------------------------------------------------------------------------- 20.0003-US-01 UNITED STATES RESONATOR SHELL CONSTRUCTION 382989 5,635,885 03-FEB-1995 03-JUN-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0003-FN-01 Finland 94663 97497 11-Feb-1994 13-Sep-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0003-GE-01 Germany 1004396 19504396 10-Feb-1995 17-Aug-1995 - ----------------------------------------------------------------------------------------------------------------------------- *20.0005-US-WO UNITED STATES COAXIAL RESONATOR AND 619540 5,734,306 25-MAR-1996 31-MAR-1998 FILTER HAVING A MODULE BLOCK CONSTRUCTION - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-CN-WO China 94193570.1 1058586 12-Sep-1994 15-Nov-2000 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-EP-WO EP 94926251 0721677 12-Sep-1994 06-Dec-2000 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-FN-01 Finland 934246 94191 28-Sep-1993 13-Apr-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-FR-EP France 94926251 12-Sep-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-GE-EP Germany 626392 69426392 12-Sep-1994 11-Jan-2001 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-IT-EP Italy 94926251 12-Sep-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-PCT-01 PCT FI94/398 12-Sep-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-RU-WO Russia WO 9509453 2142180 12-Sep-1994 27-Nov-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-UK-EP United Kingdom 94926251 12-Sep-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0005-ES-EP Spain 94926251 2152330 12-Sep-1994 01-Feb-2001 - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-US-WO UNITED STATES STRIPLINE RESONATOR 635960 5,760,665 29-APR-1996 02-JUN-1998 STRUCTURE FORMED ON UPPER AND LATERAL SURFACES OF SUBSTRATE PROJECTIONS - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-EP-WO EP 94931604 727101 01-Nov-1994 25-Apr-2001 - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-FN-01 Finland 934827 95179 01-Nov-1993 27-Dec-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-FR-EP France 94931604 01-Nov-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-GE-EP Germany 94931604 01-Nov-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-IT-EP Italy 94931604 01-Nov-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-PCT-01 PCT FI94/490 01-Nov-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-UK-EP United Kingdom 94931604 01-Nov-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0006-ES-EP Spain 94931604 01-Nov-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0007-US-WO UNITED STATES LUMPED-CONSTANT RESONATOR 637619 5,781,088 29-APR-1996 14-JUL-1998 STRUCTURE AND METHOD FOR ADJUSTING IT - ----------------------------------------------------------------------------------------------------------------------------- 20.0007-FN-01 Finland 934828 95515 01-Nov-1993 31-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0007-PCT-01 PCT FI94/489 01-Nov-1994 - ----------------------------------------------------------------------------------------------------------------------------- 20.0007-UK-WO United Kingdom 967925 2297198 17-Apr-1996 03-Sep-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0008-US-01 UNITED STATES FILTER 678764 5,799,247 11-JUL-1996 25-AUG-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0008-FN-01 Finland 955385 08-Nov-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0008-FR-01 France 9613682 2,741,490 08-Nov-1996 23-May-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0008-GE-EP Germany 96U2019226 29619226 06-Nov-1996 16-Jan-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0008-IT-EP Italy 9623260 08-Nov-1996 - ----------------------------------------------------------------------------------------------------------------------------- </Table> <Page> <Table> <Caption> - ----------------------------------------------------------------------------------------------------------------------------- CASE NUMBER COUNTRY TITLE APPLICATION PATENT FILING DATE ISSUE DATE NO. NO. - ----------------------------------------------------------------------------------------------------------------------------- 20.0008-SE-EP Sweden 9604093 08-Nov-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0008-SW-EP Switzerland 9623260 08-Nov-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0008-UK-EP United Kingdom 9623260 2307366 07-Nov-1996 08-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-US-01 UNITED STATES FILTER 851446 5,874,872 05-MAY-1997 23-FEB-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-DE-01 Denmark 01-Jan-2001 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-EP-01 EP 97660053 05-May-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-FN-01 Finland 961940 05-May-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-FR-EP France 97660053 05-May-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-GE-EP Germany 97U2008224 29708224.8 07-May-1997 10-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-IT-EP Italy 97660053 05-May-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-LT-EP Liechtenstein 97660053 05-May-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-NE-01 Netherlands 01-Jan-2001 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-SE-EP Sweden 97660053 05-May-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-SW-EP Switzerland 97660053 05-May-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-UK-EP United Kingdom 979242 2312993 07-May-1997 01-Jul-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0009-ES-EP Spain 97660053 05-May-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-US-01 UNITED STATES INTEGRAL RESONATORS FOR A 678763 5,892,419 11-JUL-1996 06-APR-1999 FILTER AND A METHOD FOR MANUFACTURING THEREOF - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-EP-01 EP 96660063 29-Sep-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-FN-01 Finland 954562 26-Sep-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-FR-EP France 96660063 29-Sep-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-GE-EP Germany 96660063 29-Sep-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-LT-EP Liechtenstein 96660063 29-Sep-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-SE-EP Sweden 96660063 29-Sep-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-SW-EP Switzerland 96660063 29-Sep-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0011-UK-EP United Kingdom 96660063 29-Sep-1996 - ----------------------------------------------------------------------------------------------------------------------------- *20.0012-US-WO UNITED STATES RESONATOR RESONANT 849973 5,923,233 20-JUN-1997 13-JUL-1999 FREQUENCY TUNING - ----------------------------------------------------------------------------------------------------------------------------- 20.0012-AU-WO Australia 9642625 689685 21-Dec-1995 02-Apr-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0012-EP-WO EP 95941109 21-Dec-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0012-FN-01 Finland 945985 97754 21-Dec-1994 31-Oct-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0012-FR-EP France 95941109 21-Dec-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0012-GE-EP Germany 95941109 21-Dec-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0012-PCT-01 PCT FI95/695 21-Dec-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0012-UK-EP United Kingdom 95941109 21-Dec-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0012-ES-EP Spain 95941109 21-Dec-1995 - ----------------------------------------------------------------------------------------------------------------------------- </Table> <Page> <Table> <Caption> - ----------------------------------------------------------------------------------------------------------------------------- CASE NUMBER COUNTRY TITLE APPLICATION PATENT FILING DATE ISSUE DATE NO. NO. - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-US-01 UNITED STATES FILTER HAVING PART OF A 691938 5,990,763 05-AUG-1996 23-NOV-1999 RESONATOR AND INTEGRAL SHELL EXTRUDED FROM ONE BASIC BLOCK - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-EP-01 EP 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-FN-EP Finland 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-FR-EP France 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-GE-EP Germany 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-IT-EP Italy 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-LT-EP Liechtenstein 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-SE-EP Sweden 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-SW-EP Switzerland 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-UK-EP United Kingdom 97660077 07-Jul-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0013-US-D1 UNITED STATES FILTER HAVING PART OF A 09/343,631 6,167,739 30-JUN-1999 02-JAN-2001 RESONATOR AND INTEGRAL SHELL EXTRUDED FROM ONE BASIC BLOCK - ----------------------------------------------------------------------------------------------------------------------------- 20.0014-US-01 UNITED STATES FILTER, METHOD OF 243290 6,111,483 02-FEB-1999 29-FEB-2000 MANUFACTURING SAME AND COMPONENT OF A FILTER SHELL CONSTRUCTION - ----------------------------------------------------------------------------------------------------------------------------- 20.0014-EP-01 EP 99660021 03-Feb-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0014-FN-01 Finland 980257 104591 04-Feb-1998 29-Feb-2000 - ----------------------------------------------------------------------------------------------------------------------------- 20.0014-GE-EP Germany 99660021 03-Feb-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0014-IT-EP Italy 99660021 03-Feb-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0014-SE-EP Sweden 99660021 03-Feb-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0014-UK-EP United Kingdom 99660021 03-Feb-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-US-01 UNITED STATES FILTER AND TUNING ELEMENT 09/211,260 6,198,363 14-DEC-1998 06-MAR-2001 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-EP-01 EP 98660142 15-Dec-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-FN-01 Finland 974517 106,658 15-Dec-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-FR-EP France 98660142 15-Dec-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-GE-EP Germany 98660142 15-Dec-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-IT-EP Italy 98660142 15-Dec-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-LT-EP Liechtenstein 98660142 15-Dec-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-SE-EP Sweden 98660142 15-Dec-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-SW-EP Switzerland 98660142 15-Dec-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0016-UK-EP United Kingdom 98660142 15-Dec-1998 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-US-WO UNITED STATES RESONATOR FILTER HAVING A 09/284,883 6,198,364 24-OCT-1997 06-MAR-2001 FREQUENCY REGULATING MEANS WITH AT LEAST ONE TURN - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-EP-WO EP 97910475 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-FN-01 Finland 964320 106583 25-Oct-1996 - ----------------------------------------------------------------------------------------------------------------------------- </Table> <Page> <Table> <Caption> - ----------------------------------------------------------------------------------------------------------------------------- CASE NUMBER COUNTRY TITLE APPLICATION PATENT FILING DATE ISSUE DATE NO. NO. - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-FR-EP France 97910475 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-GE-EP Germany 97910475 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-IT-EP Italy 97910475 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-LT-EP Liechtenstein 97910475 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-PCT-01 PCT FI97/651 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-SE-EP Sweden 97910475 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-SW-EP Switzerland 97910475 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0017-UK-EP United Kingdom 97910475 24-Oct-1997 - ----------------------------------------------------------------------------------------------------------------------------- 20.0018-FN-01 FINLAND MULTICAVITY FILTER HOUSING 952728 102,431 02-JUN-1995 30-NOV-1998 CONSTRUCTION - ----------------------------------------------------------------------------------------------------------------------------- 20.0019-FN-01 FINLAND METHOD TO INTEGRATE RADIO 962117 100,756 17-MAY-1996 13-FEB-1998 TRANSMITTER AND RECEIVER IN TO SAME COMMON ANTENNA - ----------------------------------------------------------------------------------------------------------------------------- 20.0020-FN-01 FINLAND PRODUCTION AND DESIGN OF AN 990722 31-MAR-1999 EXTRUDED CAPSULE SYSTEM - ----------------------------------------------------------------------------------------------------------------------------- 20.0021-FN-01 FINLAND HELIX-RESONATOR 884503 80,163 30-SEP-1986 11-AUG-1992 - ----------------------------------------------------------------------------------------------------------------------------- 20.0022-FN-01 FINLAND DUPLEX FILTER 91158 89,429 11-JAN-1991 15-JUN-1993 - ----------------------------------------------------------------------------------------------------------------------------- *20.0023-FN-01 FINLAND FILTER 933364 94,574 28-JUL-1993 15-JUN-1995 - ----------------------------------------------------------------------------------------------------------------------------- *20.0024-FN-01 FINLAND RESONATOR CONSTRUCTION 933365 94,576 28-JUL-1993 15-JUN-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0026-FN-01 FINLAND FILTER MANUFACTURED WITH 991,145 19-MAY-1999 CERAMIC COAXIAL RESONATORS IN WHICH SEVERAL RESONATORS HAVE BEEN PLACED INTO THE SAME CERAMIC PIECE - ----------------------------------------------------------------------------------------------------------------------------- 20.0026-PCT-01 PCT FI00/00447 18-May-2000 - ----------------------------------------------------------------------------------------------------------------------------- 20.0027-US-01 UNITED STATES ARRANGEMENTS OF INNER 09/727,936 01-DEC-2000 CONDUCTOR RESONATOR DESIGN AND METHOD OF CONNECTING IT - ----------------------------------------------------------------------------------------------------------------------------- 20.0027-EP-01 Europe 00660219.7 30-Nov-2000 - ----------------------------------------------------------------------------------------------------------------------------- 20.0027-FN-01 Finland 992580 01-Dec-1999 - ----------------------------------------------------------------------------------------------------------------------------- 20.0028-EP-01 EP CONNECTION ARRANGEMENT 95306987 706239 03-OCT-1995 07-MAR-2001 - ----------------------------------------------------------------------------------------------------------------------------- 20.0028-FN-01 Finland 944666 96460 05-Oct-1994 15-Mar-1996 - ----------------------------------------------------------------------------------------------------------------------------- 20.0028-FR-EP France 95306987 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0028-GE-EP Germany 95306987 69520250 03-Oct-1995 12-Apr-2001 - ----------------------------------------------------------------------------------------------------------------------------- 20.0028-SW-EP Switzerland 95306987 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0028-LI-EP Liechtenstein 95306987 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- 20.0028-UK-EP United Kingdom 95306987 03-Oct-1995 - ----------------------------------------------------------------------------------------------------------------------------- *20.0029-FN-01 FINLAND RESONATOR 864,509 75,450 06-NOV-1986 09-JUN-1988 - ----------------------------------------------------------------------------------------------------------------------------- 20.0031-US-01 UNITED STATES METHOD OF MANUFACTURING 09/725,435 29-NOV-2000 INNER CONDUCTOR OF RESONATOR AND INNER CONDUCTOR OF RESONATOR - ----------------------------------------------------------------------------------------------------------------------------- </Table> <Page> <Table> <Caption> - ----------------------------------------------------------------------------------------------------------------------------- CASE NUMBER COUNTRY TITLE APPLICATION PATENT FILING DATE ISSUE DATE NO. NO. - ----------------------------------------------------------------------------------------------------------------------------- 20.0031-EP-01 EP 00660218.9 29-Nov-2000 - ----------------------------------------------------------------------------------------------------------------------------- 20.0031-FN-01 Finland 992581 01-Dec-1999 - ----------------------------------------------------------------------------------------------------------------------------- </Table> <Page> EXHIBIT 3 TO LICENSE AGREEMENT SOLITRA EXCLUSIVE FIELD OF USE The Solitra Exclusive Field of Use is defined as follows: 1. The Solitra Exclusive Field of Use consists of: 1.1 The following products when offered for sale for inclusion in an RF base station system as individual components or when packaged together as an integrated sub-system and offered for sale for inclusion in an RF base station system, the RF base station system consisting at least of a radio transmitter and receiver, controller, and modulation and demodulation equipment; the integrated sub-system consisting solely of one or more of these components: - Filters - Combiners - RF Amplifiers - Splitters - Bias Tees and PDUs - Antenna Line monitoring systems 2.1 With the exception of the products of the Business being divested pursuant to the transactions contemplated by the Stock Purchase Agreement, the Solitra Exclusive Field of Use does not include any ADC product or service existing as of the Closing Date (as that term is defined in the Stock Purchase Agreement) marketed, designed, or developed by any current unit of ADC together with any improvements, upgrades, and modifications thereto. However, no such improvements, upgrades, or modifications will result in a product or products that compete directly with those set forth in Section 1.1 above. 2.2. The Solitra Exclusive Field of Use does not include any application that includes repeaters, receipt of digital information, digitization, or transport of RF signals, even if such application includes one or more of the components set forth above in section 1.1.