EXHIBIT 4.2
                       NEXTEL COMMUNICATIONS, INC.


                                  and


                          THE BANK OF NEW YORK,
                               as Trustee

                        THIRD SUPPLEMENTAL INDENTURE

                          Dated as of June 13, 1997


                                      To

                   The Indenture Dated as of February 15, 1994
                    Between NEXTEL Communications, Inc. and
                   The Bank of New York, as Trustee, Relating to
              $1,126,435,000 Aggregate Principal Amount at Maturity
                   of Senior Redeemable Discount Notes due 2004


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                          THIRD SUPPLEMENTAL INDENTURE

          THIS THIRD SUPPLEMENTAL INDENTURE (the "Supplemental Indenture") is
made as of the 13th day of June, 1997, between Nextel Communications, Inc., a
corporation duly organized and existing under the laws of the State of Delaware
(the "Company"), and The Bank of New York, a New York banking corporation, as
Trustee (the "Trustee").

                              RECITALS OF THE COMPANY

         WHEREAS,  the Company  and the  Trustee  heretofore  executed  and
delivered  an  Indenture,  dated as of February 15, 1994, as heretofore amended
(the "Indenture"); and

         WHEREAS, pursuant to the Indenture, the Company issued and the Trustee
authenticated and delivered $1,126,435,000 aggregate principal amount at
maturity of the Company's Senior Redeemable  Discount Notes due 2004 (the
"Securities"); and

         WHEREAS, the Company desires to make certain modifications to the
provisions of the Indenture and to transfer to an Unrestricted Subsidiary all
of the equity interest of Clearnet Communications, Inc. ("Clearnet") that is
held directly by the Company on the date hereof (the "Clearnet Transfer"); and

         WHEREAS,  Section 902 of the Indenture provides that with the consent
of the Holders of not less than a majority in principal amount at Stated
Maturity  of the  Securities at the time Outstanding (the "Requisite Amendment
Consents"), the Company, when authorized by a resolution of its Board of
Directors, and the Trustee may enter into an indenture or indentures
supplemental to the Indenture for the purpose of adding provisions to, changing
or eliminating certain provisions of the Indenture, subject to certain
exceptions specified in Section 902 of the Indenture; and

         WHEREAS, the Company has obtained the Requisite Amendment Consents to
amend the Indenture in certain respects (the "Proposed Amendments"); and

         WHEREAS, Section 1018 of the Indenture provides that with the consent
of Holders of at least a majority in principal amount at Stated Maturity of
Securities at the time Outstanding (the "Requisite Waiver Consents"), the
Company may omit to comply with certain provisions of the Indenture; and

         WHEREAS, the Company has obtained the Requisite Waiver Consents to
waive compliance with certain provisions of the Indenture in connection with
the Clearnet Transfer (the "Proposed Waivers"); and

         WHEREAS, this Supplemental Indenture has been duly authorized by all
necessary corporate action on the part of the Company; and

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         WHEREAS, the Company has delivered, or caused to be delivered, to the
Trustee, an Opinion of Counsel stating that this Supplemental Indenture
complies with the requirements of the Indenture;

         NOW, THEREFORE, the Company hereby covenants and agrees with the
Trustee for the equal and proportionate benefit of all Holders of the
Securities, as follows:

                                ARTICLE 1
               WAIVERS OF CERTAIN PROVISIONS OF INDENTURE

         Section 1.01. Waiver of Compliance with Certain Provisions of the
Indenture in Connection With the Clearnet Transfer. Subject to Section 3.01
hereof, compliance by the Company with Section 1009 of the Indenture
(including clause (iv) of the first paragraph thereof), to the extent that such
Section would apply to limit the ability of the Company to transfer  all of the
capital stock of Clearnet that is held directly by the Company on the date
hereof to McCaw  International,  Ltd. ("MIL"), a wholly owned Unrestricted
Subsidiary of the Company, or to any direct or indirect wholly owned subsidiary
of MIL that is  designated by MIL as the intended  recipient of such equity
interest in Clearnet,  is hereby  waived.  As a result of such waiver, any such
transfer shall not be deemed a Restricted Payment under Section 1009 of the
Indenture.

                                ARTICLE 2
              AMENDMENTS TO CERTAIN PROVISIONS OF INDENTURE

         Section 2.01. Amendment of Certain Sections of the Indenture. Subject
to Section 3.01 hereof, the Indenture is hereby amended in the following
respects:

          (a) The definition of "Credit Facility" contained in Section 101 of
     the Indenture is hereby amended to read in its entirety as follows:

                 "'Credit Facility' means any credit facility (whether a term
          or revolving type) of the type customarily entered into with banks,
          between the Company and/or any of its Restricted Subsidiaries, on the
          one hand, and any banks or other lenders, on the other hand (and any
          renewals, refundings, extensions or replacements of any such credit
          facility), which credit facility is designated by the Company as a
          "Credit Facility" for purposes of this Indenture, to the extent that
          the aggregate principal balance of Debt that is Incurred and
          outstanding under all Credit Facilities at any time does not exceed
          $1,905,000,000."


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          (b) The definition of "Incur" contained in Section 101 of the
    Indenture is hereby amended to read in its entirety as follows:

                 "'Incur' means, with respect to any Debt or other obligation
          of any Person, to create, issue, incur (by conversion, exchange or
          otherwise), assume (pursuant to a merger, consolidation, acquisition
          or other transaction), Guarantee or otherwise become liable in
          respect of such Debt or other obligation or the recording, as
          required pursuant to generally accepted accounting principles or
          otherwise, of any such Debt or other obligation on the balance sheet
          of such Person (and "Incurrence", "Incurred", "Incurrable" and
          "Incurring" shall have meanings correlative to the foregoing);
          provided, however, that a change in generally accepted accounting
          principles that results in an obligation of such Person that exists
          at such time becoming Debt shall not be deemed an Incurrence of such
          Debt; provided further, however, that the accretion of original issue
          discount on Debt shall not be deemed to be an  Incurrence of Debt.
          Debt otherwise Incurred by a Person  before it becomes a Subsidiary
          of the Company shall be deemed to have been Incurred at the time it
          becomes such a Subsidiary."

          (c) The definition of "Investment" contained in Section 101 of
    the Indenture is hereby amended to read in its entirety as follows:

                 "'Investment' by any Person means any direct or indirect loan,
          advance or other extension of credit or capital contribution to (by
          means of transfers of cash or other property to others or payments
          for property or services for the account or use of others, or
          otherwise), or purchase or acquisition of Capital Stock, bonds,
          notes, debentures or other securities or evidence of Debt issued by,
          any other Person; provided that a transaction will not be an
          Investment to the extent it involves (i) an Asset Disposition, (ii)
          the issuance or sale by the Company of its Capital Stock (other than
          Disqualified Stock), including options, warrants or other rights to
          acquire such Capital Stock (other than Disqualified Stock) or (iii)
          a transfer, assignment or contribution by the Company of shares of
          Capital Stock (or any options, warrants or rights to acquire Capital
          Stock), or all or substantially all of the assets of, any
          Unrestricted Subsidiary of the Company to another Unrestricted
          Subsidiary of the Company."

          (d) The definitions of "Motorola Agreements" and "Northern Telecom
    Agreements" contained in Section 101 of the Indenture are hereby deleted,
    and the phrase "a Motorola Agreement or a Northern Telecom Agreement"
    contained in clause (iii) of the definition of "Permitted Lien" is hereby

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    deleted and replaced with the phrase "a Vendor Financing Agreement."

          (e) The definition of "Permitted Debt" contained in Section 101 of
    the Indenture is hereby amended to read in its entirety as follows:

                 "'Permitted Debt' means (i) any Debt Incurred under a Vendor
          Financing Agreement; (ii) (A) any other Debt (including Guarantees
          thereof) outstanding on February 15, 1994 (including Debt represented
          by the Securities and the Senior Redeemable Discount Notes due 2003
          issued by NEXTEL Communications, Inc.), (B) any Debt (including
          Guarantees thereof) of OneComm Corporation and its Subsidiaries
          outstanding on July 28, 1995 (including the OneComm Notes), and (C)
          any Debt (including Guarantees thereof) of Dial Page, Inc. and its
          Subsidiaries outstanding on January 30, 1996 (including the Dial Call
          Notes), and any accretions of original issue discount and accruals of
          interest with respect to any Debt described in this clause (ii) and
          with respect to any refinancings of such Debt; (iii) any Debt (other
          than Debt described in clause (i) or (ii) above) that does not, at
          any time outstanding, exceed $5.00 per POP, if the net proceeds of
          such Debt are invested exclusively in the telecommunications
          business (including related activities and services) conducted by the
          Company and its Restricted Subsidiaries, including related capital
          expenditure and working capital requirements; (iv) any Debt
          outstanding under a Credit Facility; and (v) renewals, refundings or
          extensions of any Debt referred to in clause (ii) above or Incurred
          pursuant to the provisions of Section 1008, plus (A) the amount of
          any premium reasonably determined by the Company as necessary to
          accomplish such renewal, refunding or extension and (B) such other
          fees and expenses of the Company  reasonably  incurred in  connection
          with the renewal, refunding or extension, provided that such renewal,
          refunding or extension shall  constitute  Permitted Debt only (a) to
          the extent that it does not result in an increase in the aggregate
          principal amount (or, if such Debt provides for an amount less than
          the principal amount thereof to be due and payable upon a declaration
          of acceleration of the maturity thereof, in an amount not greater
          than such lesser  amount) of such Debt (except as permitted by clause
          (A) or (B) above), (b) to the extent such renewed, refunded or
          extended Debt does not require the payment of all or a portion of the
          principal thereof (whether pursuant to repurchase, redemption,
          repayment, defeasance, retirement, sinking fund payment, payment at
          stated maturity or otherwise) prior to the final stated maturity of
          the Debt being renewed, refunded or extended and (c) if the Debt
          to be so renewed, refunded or extended is Debt of the Company that is
          subordinate in right of payment to the

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          Securities, then the new Debt is subordinated in right of payment to
          the Securities on subordination terms no less favorable to the
          Holders of the Securities in their capacities as such than the
          subordination terms (or other arrangement) applicable to the Debt to
          be renewed, refunded or extended; provided, however, that in no event
          shall the aggregate amount of Debt that is Incurred and  outstanding
          under clauses (i), (iii) and (iv) at any time exceed $1,910,000,000;
          provided further, however, that no Debt that is represented by
          unsecured notes originally issued by the Company on or after June 1,
          1997 and ranking pari passu with the Securities ("New Notes") shall
          be Incurred under clause (iii) above, unless the amount of Debt
          represented by the issue of New Notes could have been Incurred, on or
          after June 1, 1997, pursuant to the provisions of Section 1008."

          (f) The  definition of "Vendor Financing Debt" contained in Section
    101 of the Indenture is hereby amended to read in its entirety as follows:

                 "'Vendor Financing Debt' means any Debt owed to (i) a vendor
          or supplier of any property or materials used by the Company or its
          Restricted Subsidiaries in their telecommunications business, (ii)
          any Affiliate of such a vendor or supplier, (iii) any assignee of
          such a vendor, supplier or Affiliate of such a vendor or supplier, or
          (iv) a bank or other financial  institution that has financed or
          refinanced the purchase of such property or materials from such a
          vendor, supplier, Affiliate of such a vendor or supplier or assignee
          of such a vendor or supplier;  provided that the aggregate amount of
          such Debt does not exceed the sum of (w) the purchase price of such
          property or materials (including transportation, installation,
          warranty and testing charges, as well as applicable taxes paid, in
          respect of such property or materials), (x) the cost of design,
          development, site acquisition and construction, (y) any interest or
          other financing costs accruing or otherwise payable in respect of the
          foregoing, and (z) the cost of any services provided by such vendor,
          supplier or Affiliate of such vendor or supplier."

          (g) Section 101 of the  Indenture is hereby amended to add the
    following definitions at the appropriate places in such section:

                 "'Consolidated Interest Expense' of any Person means, for any
          period, the aggregate interest expense and fees and other financing
          costs in respect of Debt (including amortization of original issue
          discount and non-cash interest payments and accruals), the interest
          component in respect of Capital Lease  Obligations and any deferred
          payment obligations of such Person and its Subsidiaries, determined
          on a consolidated basis in

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          accordance with generally accepted accounting principles and all
          commissions, discounts, other fees and charges owed with respect
          to letters of credit and bankers' acceptance financing and net costs
          (including amortizations of discounts) associated with interest rate
          swap and similar agreements and with foreign currency hedge,
          exchange and similar agreements and the amount of dividends paid in
          respect of Disqualified Stock."

                 "'Directed Investment' by the Company or any of its Restricted
          Subsidiaries means any Investment for which the cash or property used
          for such Investment is received by the Company from the issuance and
          sale (other than to a Restricted  Subsidiary) on or after June 1,
          1997 of shares of its Capital Stock (other than Disqualified  Stock),
          or any options, warrants or other rights to purchase such Capital
          Stock (other than Disqualified Stock) designated by the Board of
          Directors as a "Directed  Investment" to be used for one or more
          specified investments in the telecommunications business (including
          related activities and services) and is so designated and used at any
          time within 365 days after the receipt thereof; provided that the
          aggregate amount of any such Directed Investments may not at any time
          exceed fifty percent (50%) of the aggregate amount of such cash or
          property received by the Company on or after June 1, 1997 from any
          such issuance and sale or capital contribution; and provided,
          further, that any proceeds from any such issuance or sale may not be
          used for such an investment if such proceeds were, prior to  being
          designated for use as a Directed Investment, (x) used to make a
          Restricted Payment or (y) used as the basis for the Incurrence of
          Debt under clause (i) of Section 1008 unless and until the amount of
          any such Debt (I) is treated as newly issued Debt and could be
          Incurred in accordance  with  clause (ii) of Section 1008 or (II) has
          been repaid or refinanced with the proceeds of Debt Incurred in
          accordance with clause (ii) of Section 1008 or with the proceeds of
          Permitted Debt or (III) has otherwise been repaid and, in the
          circumstances described in clauses (I) and (II), the Company
          delivers to the Trustee a certificate confirming that the
          requirements of such clauses have been met."

                 "'First Tranche Option' means the option, exercisable on or
          before 6:00 p.m. local time in New York, New York on July 28, 1997 by
          Digital Radio, L.L.C., for the purchase of an aggregate of up to 
          15,000,000 shares of common stock of the Company (as such number may
          be adjusted pursuant to the terms of the option) at an exercise price
          of $15.50 per share (as such price may be adjusted pursuant to the
          terms of the option), granted by the Company under the Option
          Agreement (First Tranche) by and between Digital Radio, L.L.C. and
          the Company, dated as of July 28, 1995."

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                 "'Operating Cash Flow to Consolidated Interest Expense Ratio'
          means, as at any date of determination,  the ratio of (i) the
          Operating  Cash Flow of the Company  for the most recently completed
          fiscal  quarter  of the  Company  to (ii) the Consolidated  Interest
          Expense of the Company and its Restricted Subsidiaries for the most
          recently completed fiscal quarter of the Company."

                 "'Replacement Option' means the option to purchase 25,000,000
          shares of common stock of the Company, originally  issued to an
          affiliate of Craig  O. McCaw, exercisable  at any time through  July 
          28, 1998, as described in the  Company's Consent Solicitation 
          Statement dated April 14, 1997, as amended or supplemented through
          the date of the Third Supplemental Indenture hereto."

                 "'Vendor Financing Agreement' means any agreement pursuant to
          which the Company or any of its Restricted Subsidiaries incurs, or
          may incur, Vendor Financing Debt (including any renewals,
          refinancings, extensions or replacements of such Vendor Financing
          Debt), to the extent that the  aggregate principal balance of Vendor
          Financing Debt that is Incurred and outstanding under all Vendor
          Financing Agreements at any time does not exceed $850,000,000."

          (h) All references to "Consolidated Debt to Annualized
    Operating Cash Flow Ratio" contained in the definition of "Operating Cash
    Flow" in Section 101 of the Indenture are hereby deleted and replaced
    with the term "Operating Cash Flow to Consolidated Interest Expense Ratio."

          (i) The first paragraph of Section 801 of the Indenture is hereby
    amended by adding the following proviso at the end of such paragraph:

                 "provided, however, that the foregoing requirements shall not
          apply to any transaction or series of transactions involving the
          sale, assignment, conveyance, transfer, lease or other disposition of
          the properties and assets substantially as an entirety by any Wholly
          Owned Restricted Subsidiary to any other Wholly Owned Restricted
          Subsidiary, or the merger or consolidation of any Wholly Owned
          Restricted Subsidiary with or into any other Wholly Owned Restricted
          Subsidiary."

          (j) The text of Section 1008 of the Indenture is hereby deleted and
    amended to read in its entirety as follows:

                 "The Company shall not, and shall not permit any Restricted
          Subsidiary to, Incur any Debt (including Acquired Debt), other than
          Permitted Debt,  unless,  (i) with  respect to Debt Incurred on or
          prior to December 31, 1999, the Debt so Incurred is in an aggregate
          amount that does not exceed the multiples

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          specified below of the aggregate amount of net cash proceeds received
          by the Company during the applicable time periods specified below
          from the issuance and sale (other than to a Subsidiary) of shares of
          its Capital Stock (other than Disqualified Stock), or any options,
          warrants or other rights to purchase  such  Capital Stock (other than
          Disqualified  Stock), other than (x) proceeds received by the
          Company  pursuant  to (I) the exercise of the First Tranche  Option,
          (II) the sale (but not the exercise) of the  Replacement Option,  or
          (III) the purchase of shares of Capital Stock by holders of the
          Securities  and the holders of each other Issue of Notes (as defined
          in the Company's Consent Solicitation Statement, dated April 14, 1997
          and as amended or  supplemented  through the date of the Third
          Supplemental  Indenture  hereto) in exchange for the consent payment
          made to such holders as consideration for such  holders  providing
          their consent to the Proposed Amendments and the Proposed Waivers
          contained in the Third Supplemental Indenture, (y) proceeds applied
          for use as a Directed Investment (unless such designation has been
          revoked by the Board of Directors and the Company either abandons its
          plans to make such Investment or is able to make such Investment
          pursuant to Section 1009  (other than as a Directed  Investment)) and
          (z) proceeds which have been included in the computation of the
          amounts  available for  Restricted  Payments pursuant to Section
          1009(c)(ii) of this Indenture, to the extent the  inclusion thereof
          was necessary to allow a subsequent Restricted Payment to be made;
          and (ii) with respect to Debt Incurred on or after  January 1, 2000,
          on the date of such Incurrence, after giving effect to the Incurrence
          of such Debt (or  Acquired  Debt) and the  receipt and application of
          the net proceeds thereof (and, if the net proceeds of such new Debt
          are used to acquire a Person that becomes a Restricted Subsidiary or
          an operating business of the Company or a Restricted Subsidiary, to
          all terms of such  acquisition) on a pro forma basis, the Operating
          Cash Flow to Consolidated Interest Expense Ratio would equal or
          exceed (x) 1.75 to 1 for the period from January 1, 2000 through
          June 30, 2000, (y) 2.0 to 1 for the period from July 1, 2000 through
          December 31, 2000, and (z) 2.25 to 1 for the period on and after
          January 1, 2001; provided, however, that for purposes of calculating
          the Debt that may be Incurred under either of the foregoing clauses
          (i) or (ii), the amount of any accretions of original issue discount
          and accruals of interest (to the extent not overdue for payment) with
          respect to any Debt so Incurred shall be excluded from the
          determination of the amount of Debt that may be Incurred pursuant to
          such calculations. The multiples of net cash proceeds applicable for
          purposes of clause (i) shall be as follows for the following
          specified time periods:

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                                                    Multiple of
         Period during which net cash               net cash
         proceeds are received                      proceeds

         June 1, 1997 through March 31, 1998           2.25

         April 1, 1998 through December 31, 1998       2.00

         January 1, 1999 through December 31, 1999     1.75


          (k) The first paragraph of Section 1009 of the Indenture is hereby
    amended by deleting clause (b) in its entirety and replacing it with the
    following:

                 "(b) after giving effect, on a pro forma basis, to such
          Restricted Payment and the Incurrence of any Debt the net proceeds of
          which are used to finance such Restricted Payment, then, in the case
          of any Restricted Payment described in clause (i), (ii) or (iii)
          above, the Consolidated Debt to Annualized Operating Cash Flow
          Ratio  would  not have  exceeded  5.0 to 1 and,  in the case of any
          Restricted  Payment described in clause (iv) above, the Company would
          be permitted  under this Indenture to Incur at least $1 of additional
          Debt, other than Permitted Debt; and"

          (l) The first paragraph of Section 1009 of the Indenture is hereby
    amended by deleting clause (c) in its entirety and replacing it with the
    following:

                 "(c) after giving effect to such Restricted Payment on a pro
          forma basis, the aggregate amount of all Restricted Payments made on
          or after the date of this Indenture shall not exceed (1) 50% of the
          Consolidated  Net Income (or, in the case of a Consolidated Net Loss,
          minus 100% of such deficit) of the Company for the period (taken as
          one accounting period) from April 1, 1994 to the last day of the last
          fiscal quarter preceding the date of the proposed Restricted Payment,
          plus (2) the aggregate net proceeds, including the fair market value
          of property  other  than  cash  (as  determined  by  the  Board  of
          Directors,   whose good faith determination  shall be conclusive and
          evidenced by a Board Resolution),  received by the Company from the
          issuance and sale (other than to a Restricted  Subsidiary) on or
          after the date of this Indenture  of shares of its  Capital  Stock
          (other than  Disqualified  Stock), or any  options, warrants or other
          rights to purchase such Capital Stock (other than

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          Disqualified Stock), other than (x) (except for purposes of
          determining whether an Investment under clause (iv) above is
          permitted) shares of Capital  Stock or  options,  warrants or other
          rights to purchase  Capital  Stock  (or  shares  issuable  upon
          exercise  thereof)  issued or sold in the  PowerFone  Merger,
          Questar/AMI  Share Exchanges, Motorola  Business Acquisition and NTT
          transactions described in the Prospectus under "Recent
          Developments," and (y) shares of Capital Stock or options, warrants
          or other rights to purchase Capital Stock (or shares issuable upon
          exercise thereof), the  proceeds of the issuance of which is used to
          make a  Directed  Investment  (unless  such designation has been
          revoked  by the Board of  Directors  and the  Company is able to make
          such Investment  pursuant  to  Section 1009  (other  than as a
          Directed  Investment)),  plus  (3) the aggregate  net  proceeds,
          including  the fair  market  value of  property  other  than cash (as
          determined  by the Board of Directors, whose good faith determination
          shall be conclusive and evidenced by a Board Resolution), received by
          the Company from the issuance or sale (other than to a Restricted
          Subsidiary)  on or after the date of this  Indenture of any Capital
          Stock of the Company (other than Disqualified Stock), or any options,
          warrants or other rights to purchase such Capital Stock (other than
          Disqualified Stock), upon the conversion of, or exchange for, Debt of
          the Company or a Restricted Subsidiary."

          (m) The first  sentence  of the  second  paragraph of Section 1009 of
    the Indenture is hereby amended to read in its entirety as follows:

                 "The foregoing limitations in this Section 1009 do not limit
          or restrict the making of any Permitted Distribution, Permitted
          Investment or Directed Investment, and none of a Permitted
          Distribution, Permitted Investment or Directed Investment  shall be
          counted as a Restricted Payment for purposes of clause (c) above."

          (n) The  sixth  paragraph of Section 1010 of the Indenture is hereby
    amended to read in its entirety as follows:

                 "The Board of  Directors, from time to time, may designate any
           Person that is about to become a Subsidiary of the Company as an
           Unrestricted Subsidiary, and may designate any newly-created
           Subsidiary as an Unrestricted Subsidiary, if at the time such
           Subsidiary is created it contains no assets (other than such de
           minimis amount of assets then required by law for the formation of
           corporations) and no Debt. Subsidiaries of the Company that are not
           designated by the Board of Directors as Restricted or Unrestricted
           Subsidiaries shall be deemed to be Restricted Subsidiaries.
           Notwithstanding any provisions of this Section 1010, all
           Subsidiaries of a

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          Restricted  Subsidiary  shall be Restricted  Subsidiaries and all
          Subsidiaries of an Unrestricted  Subsidiary shall be Unrestricted
          Subsidiaries. The Board of Directors shall not change the designation
          of a Subsidiary of the Company more than twice in any period of five
          years."


                                    ARTICLE 3
                                SUNDRY PROVISIONS

         Section 3.01. Effect of Supplemental Indenture. Upon the execution and
delivery of this  Supplemental Indenture by the Company and the Trustee,  the
Indenture shall be supplemented  in accordance  herewith,  and this
Supplemental  Indenture  shall  form a part of the Indenture for all purposes,
and every  Holder of  Securities heretofore  or  hereafter  authenticated  and
delivered  under the  Indenture  shall be bound  thereby;  provided, however,
that  Sections 1.01  and 2.01 hereof  shall  become  operative  upon the
satisfaction (or waiver by the Company) of all of the conditions  (including,
without limitation,  the General Conditions)  described and defined in the
Consent Solicitation Statement, dated  April 14, 1997 and as amended or
supplemented  through the date hereof, that was provided to Holders of
Securities in connection  with the Company's  solicitation  of consents by
such Holders to the Proposed Waivers and the Proposed Amendments.

         Section 3.02.  Indenture Remains in  Full Force and Effect. Except as
supplemented  hereby,  all provisions in the Indenture shall remain in full
force and effect.

         Section 3.03. Indenture and Supplemental Indenture Construed Together.
This Supplemental  Indenture is an indenture supplemental to and in
implementation  of the  Indenture,  and the Indenture and this  Supplemental
Indenture shall henceforth be read and construed together.

         Section 3.04. Confirmation and Preservation of Indenture. The
Indenture as supplemented by this Supplemental Indenture is in all respects
confirmed and preserved.

         Section 3.05. Conflict with Trust Indenture Act. If any  provision of
this Supplemental Indenture limits,  qualifies or conflicts  with any provision
of the Trust  Indenture Act that is required  under such Act to be part of and
govern any provision of this  Supplemental  Indenture,  the provision of such
Act shall control.  If any provision of this  Supplemental  Indenture  modifies
or excludes any provision of the Trust  Indenture Act that may be so  modified
or  excluded,  the  provision  of such Act  shall be deemed  to apply to the
Indenture  as so modified or to be excluded by this Supplemental Indenture, as
the case may be.

         Section 3.06.  Separability  Clause.  In case  any  provision  in this
Supplemental Indenture shall be invalid, illegal or unenforceable, the
validity, legality and  enforceability of the

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remaining provisions shall not in any way be affected or impaired thereby.

         Section 3.07. Terms Defined in the Indenture. All capitalized terms
not otherwise  defined herein shall have the meanings ascribed to them in the
Indenture.

         Section 3.08. Effect of Headings. The Article and Section headings
herein are for convenience only and shall not affect the construction hereof.

         Section 3.09. Benefits of Supplemental Indenture, etc. Nothing in this
Supplemental Indenture, the Indenture or the  Securities, express or implied,
shall give to any Person,  other than the parties  hereto and thereto and their
successors  hereunder and thereunder and the Holders of Securities, any benefit
of any legal or equitable right, remedy or claim under the Indenture, this
Supplemental Indenture or the Securities.

         Section 3.10. Successors and Assigns. All covenants and agreements in
this Supplemental Indenture by the Company shall bind its successors and
assigns, whether so expressed or not.

         Section 3.11. Trustee Not Responsible for Recitals. The recitals
contained  herein shall be taken as the statements of the Company, and the
Trustee assumes no responsibility for their correctness.

         Section 3.12. Certain Duties and Responsibilities of the Trustee. In
entering into this  Supplemental Indenture, the Trustee shall be  entitled to
the benefit of every  provision  of the  Indenture  relating to the conduct or
affecting the liability of or affording  protection to the Trustee,  whether or
not elsewhere  herein so provided.

         Section 3.13.  Governing  Law.  This  Supplemental Indenture shall be
governed  by  and  construed  in accordance with the laws of the State of New
York, without regard to the conflicts of law principles thereof.

         Section 3.14.  Counterparts. This Supplemental Indenture may be
executed in counterparts, each of which, when so executed, shall be deemed to
be an original,  but all such counterparts  shall together constitute
but one and the same instrument.

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         IN WITNESS  WHEREOF,  the parties hereto have caused this Supplemental
Indenture to be duly executed and attested, all as of the date and year first
above written.


                                        NEXTEL COMMUNICATIONS, INC.


                                        By:    /s/Thomas J. Sidman
                                        Title: Vice President


Attest: /s/ Thomas D. Hickey
Title:  Assistant Secretary                   



                                        THE BANK OF NEW YORK,
                                        as Trustee

                                        By:     /s/ Marie E. Trimboli
                                        Title:  Assistant Treasurer
Attest: /s/ Paul Schmazel                   
Title:  Assistant Vice President                   


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