FIFTH AMENDMENT TO CREDIT AGREEMENT AND NOTE

	THIS FIFTH AMENDMENT TO CREDIT AGREEMENT AND NOTE ("Fifth 
Amendment"), made and entered into as of the 17th day of August 
1995, by and between DATRON SYSTEMS INCORPORATED, a Delaware 
corporation ("Company"), and UNION BANK, a California banking 
corporation ("Bank"),

                      W I T N E S S E T H:

	WHEREAS, on May 11, 1994, the Company and the Bank entered 
into a certain Credit Agreement and Note (as amended by those 
certain First, Second, Third and Fourth Amendments to Credit 
Agreement and Note, dated as of October 26, 1994, December 29, 
1994, February 28, 1995 and March 31, 1995, respectively, the 
"Credit Agreement") pursuant to which the Bank agreed to extend to 
the Company and the Company agreed to accept from the Bank certain 
credit facilities more particularly described therein; and

	WHEREAS, the Company and the Bank desire to amend the Credit 
Agreement (i) to extend the Facilities Termination Date through and 
including December 31, 1997, (ii) to increase availability under 
the Standby Facility from Fifteen Million Dollars ($15,000,000.00) 
to Eighteen Million Dollars ($18,000,000.00), (iii) to reduce the 
rate of interest payable with respect to Revolving Loans under the 
Revolving Loan Facility, and (iv) to provide for certain ancillary 
matters;

	NOW, THEREFORE, for and in consideration of the premises 
hereof, and other good and valuable consideration the receipt and 
adequacy of which are hereby acknowledged, the parties hereto 
hereby agree as follows:

	1.      All capitalized terms used in this Fifth Amendment 
shall, unless otherwise defined herein or unless the context 
otherwise requires, have the meanings given thereto in the Credit 
Agreement.

	2.      Section 1.01 of the Credit Agreement is amended to read 
as follows:

1.01    Availability of the Facilities. Subject to the terms and 
conditions of this Agreement, the Bank shall, from time to time 
during the period commencing on the Fifth Amendment Effective Date 
and ending on December 31, 1997 (the "Facilities Termination 
Date"), advance to the Company such loans as the Company may 
request under the Revolving Loan Facility (individually a 
"Revolving Loan" and collectively the "Revolving Loans"), issue for 
the account of the Company such standby letters of credit as the 
Company may request under the Standby Facility (individually a 
"Standby L/C" and collectively the "Standby L/C's"), and issue for 
the account of the Company such commercial documentary letters of 
credit as the Company may request under the L/C Facility 
(individually a "Commercial L/C" and collectively the "Commercial 
L/C's"); provided, however, that:

	(a)     The principal amount of all Revolving Loans shall not 
exceed Eight Million Five Hundred Thirty-five Thousand Dollars 
($8,535,000.00) in the aggregate at any one time outstanding (the 
"Revolving Loan Commitment");

	(b)     Except as otherwise provided in Subsections 1.01(c), 
(d) and (e) hereof, the sum of:

	(i) the aggregate amount available to be drawn under all 
Standby L/C's;

	(ii) the aggregate amount of unpaid reimbursement obligations 
in respect of all drafts drawn under Standby L/C's (the sum of the 
aggregate amounts described in Subsection 1.01(b)(i) hereof and in 
this Subsection 1.01(b)(ii) being hereinafter referred to as 
"Standby L/C Utilization");

	(iii) the aggregate amount available to be drawn under all 
Commercial L/C's; and

	(iv) the aggregate amount of unpaid reimbursement obligations 
in respect of all drafts drawn under Commercial L/C's (the sum of 
the aggregate amounts described in Subsection 1.01(b)(iii) hereof 
and in this Subsection 1.01(b)(iv) being hereinafter referred to as 
"Commercial L/C Utilization");

shall not exceed in the aggregate at any one time Eighteen Million 
Dollars ($18,000,000.00);

	(c)     Commercial L/C Utilization shall not exceed in the 
aggregate at any one time the lesser of (i) Two Million Dollars 
($2,000,000.00), or (ii) the difference between Eighteen Million 
Dollars ($18,000,000.00) and Standby L/C Utilization;

	(d)     Standby L/C Utilization relating to Standby L/C's 
issued in favor of beneficiaries located in countries listed in 
Column B or Column C of Exhibit A hereto shall not exceed, as to 
all beneficiaries located in any given country listed in Column B 
or Column C of Exhibit A hereto, Three Million Five Hundred 
Thousand Dollars ($3,500,000.00) in the aggregate at any one time; 
and

	(e)     Standby L/C Utilization relating to Standby L/C's 
issued in favor of beneficiaries located in countries listed in 
Column D of Exhibit A hereto (individually a "Column D Country" and 
collectively the "Column D Countries") shall not exceed in the 
aggregate at any one time (i) in the case of all beneficiaries 
located in any given Column D Country, Five Hundred Thousand 
Dollars ($500,000.00), and (ii) in the case of all beneficiaries 
located in all Column D Countries, the lesser of (A) Two Million 
Five Hundred Thousand Dollars ($2,500,000.00), or (B) the 
difference between (1) Eighteen Million Dollars ($18,000,000.00), 
and (2) the sum of (I) Standby L/C Utilization relating to Standby 
L/C's issued in favor of all beneficiaries located in all countries 
other than Column D Countries, and (II) Commercial L/C Utilization.

Within the limits set forth above, and except as otherwise provided 
herein, the Company may utilize the Facilities, repay amounts owing 
thereunder, and reutilize the Facilities.

	3.      Subsection 1.02(d) of the Credit Agreement is amended 
to read as follows:

	(d)     Revolving Loan Interest Rate Options. The Company shall 
pay interest on the unpaid principal amount of each Revolving Loan 
from the date of such loan (if such loan is made on or after the 
Fifth Amendment Effective Date), from the Fifth Amendment Effective 
Date (if such loan is a Reference Rate Revolving Loan made prior to 
the Fifth Amendment Effective Date), or from the first day of the 
first Interest Period for such loan which commences on or after the 
Fifth Amendment Effective Date (if such loan is a LIBOR Revolving 
Loan made prior to the Fifth Amendment Effective Date), until the 
maturity thereof (whether by acceleration or otherwise), at one of 
the following rates per annum:

	(i) Reference Rate Option - During such periods as such 
Revolving Loan is a Reference Rate Revolving Loan, a rate per annum 
equal to the Reference Rate plus one-half of one percent (1/2 of 
1%), such rate to change from time to time as the Reference Rate 
shall change; or

	(ii) LIBO Rate Option - During such periods as such Revolving 
Loan is a LIBOR Revolving Loan, a rate per annum equal at all times 
during each Interest Period for such loan to the LIBO Rate for such 
Interest Period plus one and one-half percent (1-1/2%).

Each Revolving Loan shall, at any given time prior to maturity, 
bear interest at one, and only one, of the above rates.

	4.      The first sentence of Subsection 1.05(c) of the Credit 
Agreement is amended to read as follows:

All amounts due or to become due hereunder are secured by (i) a 
Security Agreement (Chattel Mortgage), dated April 21, 1994, 
executed by the Company, (ii) a Continuing Guaranty, dated August 
1, 1995, executed by Datron/Transco Inc. ("D/T"), which Continuing 
Guaranty is in turn secured by (A) a Security Agreement (Chattel 
Mortgage), dated April 21, 1994, executed by D/T, and (B) a Deed of 
Trust, Assignment of Rents, Security Agreement and Fixture Filing, 
dated February 28, 1995, executed by D/T, as amended, and (iii) a 
Continuing Guaranty, dated August 1, 1995, executed by Datron World 
Communications Inc. (formerly known as Trans World Communications, 
Inc.) ("DWC"), which Continuing Guaranty is in turn secured by a 
Security Agreement (Chattel Mortgage), dated March 31, 1995, 
executed by DWC.

	5.      Section 7.01 of the Credit Agreement is amended by the 
addition thereto of the following definitions in proper alphabetic 
order:

"Fifth Amendment" shall mean that certain Fifth Amendment to Credit 
Agreement and Note, dated as of August 17, 1995, by and between the 
Company and the Bank.

"Fifth Amendment Effective Date" shall mean the date on which the 
Fifth Amendment becomes effective as provided in Paragraph 6 
thereof.

"First Amendment to Deed of Trust" shall have the meaning given to 
that term in Subparagraph 6(h) of the Fifth Amendment.

	6.      This Fifth Amendment shall become effective on the date 
on which the Bank shall have received the following:

	(a)     This Fifth Amendment, duly executed by the Company;

	(b)     A certificate of the Company's secretary or an 
assistant secretary, dated not later than the date of this Fifth 
Amendment, certifying the following documents, copies of which 
shall be attached to or incorporated in such certificate: (i) 
resolutions, adopted by the Company's Board of Directors and 
continuing in effect, which authorize the execution, delivery and 
performance by the Company of this Fifth Amendment and all other 
documents and instruments to be executed, delivered and performed 
by the Company in connection herewith; and (ii) all other documents 
evidencing additional corporate action and governmental or other 
approvals, if any, necessary for the execution, delivery and 
performance by the Company of this Fifth Amendment and all other 
documents and instruments to be executed, delivered and performed 
by the Company in connection herewith;


	(c)     A certificate of the Company's secretary or an 
assistant secretary, dated not later than the date of this Fifth 
Amendment, certifying the incumbency and signatures of the officers 
of the Company authorized to execute, deliver and perform on behalf 
of the Company this Fifth Amendment and all other documents and 
instruments to be executed, delivered and performed by the Company 
in connection herewith;

	(d)     A Continuing Guaranty on the Bank's standard form, 
dated not later than the date of this Fifth Amendment and duly 
executed by DWC;

	(e)     A Judicial Reference Agreement on the Bank's standard 
form, dated not later than the date of this Fifth Amendment and 
duly executed by DWC;

	(f)     A Continuing Guaranty on the Bank's standard form, 
dated not later than the date of this Fifth Amendment and duly 
executed by D/T;

	(g)     A Judicial Reference Agreement on the Bank's standard 
form, dated not later than the date of this Fifth Amendment and 
duly executed by D/T;

	(h)     A First Amendment to Deed of Trust, Assignment of 
rents, Security Agreement and Fixture Filing in the form appended 
to this Fifth Amendment as Exhibit I ("First Amendment to Deed of 
Trust"), dated the date of the Continuing Guaranty of D/T referred 
to in Subparagraph 6(f) of this Fifth Amendment and duly executed 
and acknowledged by D/T, reflecting the supersession and 
replacement of the Continuing Guaranty of D/T, dated February 28, 
1995, with the Continuing Guaranty of D/T referred to in 
Subparagraph 6(f) of this Fifth Amendment, together with evidence 
that the First Amendment to Deed of Trust has been duly recorded; 

	(i)     A 110.5 endorsement to the ALTA policy of title 
insurance delivered to the Bank pursuant to Subparagraph 10(j) of 
the Third Amendment, insuring that the interest of the Bank under 
the Deed of Trust as amended by the First Amendment to Deed of 
Trust is and continues to be a valid, perfected and enforceable 
lien on the Property subject to no mortgages, deeds of trust, 
liens, charges, security interests or other encumbrances of any 
character whatsoever other than liens for current real property 
taxes and assessments not yet due and payable and such other liens 
and encumbrances as may be approved in writing by the Bank;

	(j)     A certificate of the secretary or an assistant 
secretary of each of D/T and DWC, each dated not later than the 
date of this Fifth Amendment, certifying the following documents, 
copies of which shall be attached to or incorporated in such 
certificate: (i) resolutions, adopted by the Board of Directors of 
D/T or DWC, as the case may be, and continuing in effect, which 
authorize the execution, delivery and performance by D/T or DWC, as 
the case may be, of such corporation's Continuing Guaranty and 
Judicial Reference Agreement (and, in the case of D/T, the First 
Amendment to Deed of Trust); and (ii) all other documents 
evidencing additional corporate action and governmental or other 
approvals, if any, necessary for the execution, delivery and 
performance by D/T or DWC, as the case may be, of such 
corporation's Continuing Guaranty and Judicial Reference Agreement 
(and, in the case of D/T, the First Amendment to Deed of Trust); 
together with a certificate of the secretary or an assistant 
secretary of each of D/T and DWC, each dated not later than the 
date of this Fifth Amendment, certifying the incumbency and 
signatures of the officers of D/T or DWC, as the case may be, 
authorized to execute, deliver and perform on behalf of D/T or DWC, 
as the case may be, such corporation's Continuing Guaranty and 
Judicial Reference Agreement (and, in the case of D/T, the First 
Amendment to Deed of Trust); and

	(k)     Such other documents and agreements as the Bank may 
reasonably require to effectuate the intent and purpose of this 
Fifth Amendment.

	7.      Except as expressly provided herein, the Credit 
Agreement is unchanged and remains in full force and effect.

	8.      This Fifth Amendment shall be governed by and construed 
in accordance with the laws of the State of California.

	9.      This Fifth Amendment may be executed in any number of 
identical counterparts, any set of which signed by both parties 
hereto shall be deemed to constitute a complete, executed original 
for all purposes.

	IN WITNESS WHEREOF, the Bank and the Company have caused this 
Fifth Amendment to be executed as of the day and year first above 
written.

UNION BANK                      DATRON SYSTEMS INCORPORATED

By: /s/ RICHARD C. PETRIE       By: /s/ WILLIAM L. STEPHAN
Title:Vice President            Title: Vice President and CFO  


By:/s/ JOSEPH OTTING             By:/s/ DAVID A. DERBY  
Title:S.V.P.                     Title:President, CEO 


			    EXHIBIT I
			    
RECORDING REQUESTED BY
AND WHEN RECORDED RETURN TO:

Union Bank
Commercial Documentation Center
Attn:  AREVALOS - 40061
P. O. Box 30115
Los Angeles, California  90030-0115

Assessor's Identification Number:  95000649

FIRST AMENDMENT TO DEED OF TRUST, ASSIGNMENT OF RENTS,
SECURITY AGREEMENT AND FIXTURE FILING

     THIS FIRST AMENDMENT TO DEED OF TRUST, ASSIGNMENT OF RENTS, 
SECURITY AGREEMENT AND FIXTURE FILING ("First Amendment"), made and 
entered into as of the 17th day of August, 1995, by and among 
DATRON/TRANSCO INC., a California corporation ("Trustor"), UNION 
BANK, a California banking corporation (in its capacity as trustee, 
"Trustee"), and UNION BANK, a California banking corporation (in 
its capacity as beneficiary, "Beneficiary"),

		       W I T N E S S E T H:

     WHEREAS, on February 28, 1995, Trustor entered into that 
certain Deed of Trust, Assignment of Rents, Security Agreement and 
Fixture Filing ("Deed of Trust") in favor of Trustee and 
Beneficiary, which Deed of Trust was recorded on March 13, 1995, as 
Instrument No. 95-027943, in the Official Records of Ventura 
County, California, and which Deed of Trust encumbers certain real 
property located in the City of Simi Valley, County of Ventura, 
State of California, more particularly described in Exhibit "A" 
appended thereto; and

     WHEREAS Trustor and Beneficiary desire to amend the Deed of 
Trust to reflect that certain of the obligations of Trustor to 
Beneficiary secured by the Deed of Trust as originally executed 
have been superseded and replaced by certain other obligations of 
Trustor to Beneficiary more particularly described herein;

     NOW, THEREFORE, for and in consideration of the premises 
hereof and other good and valuable consideration, the receipt and 
adequacy of which are hereby acknowledged, it is hereby agreed as 
follows:

     1.  Section 2(I) of the Deed of Trust is amended by deleting 
the same in its entirety and by substituting in lieu thereof the 
following:

     (I)  Payment of all sums at any time owing and the performance 
of all other obligations arising under that certain Continuing 
Guaranty in the original principal amount of Twenty-nine Million 
and no/100 Dollars ($29,000,000.00), dated August 1, 1995, executed 
by Datron/Transco Inc. ("Obligor") to the order of or in favor of 
Beneficiary (the "Debt Instrument"), and any and all modifications, 
replacements, extensions and renewals thereof, whether hereafter 
evidenced by the Debt Instrument or otherwise;

     2.  Trustor and Beneficiary hereby expressly acknowledge and 
agree (a) that the obligations arising under the Continuing 
Guaranty which is described in Section 2(I) of the Deed of Trust as 
amended by this First Amendment (the "Replacement Guaranty") 
supersede and replace, but do not constitute payment, satisfaction 
or extinguishment of, the obligations arising under the Continuing 
Guaranty in the original principal amount of Twenty-six Million and 
no/100 Dollars ($26,000,000.00), dated February 28, 1995, executed 
by Trustor to the order of or in favor of Beneficiary which is 
described in Section 2(I) of the Deed of Trust as originally 
executed (the "Original Guaranty"), and (b) that the Replacement 
Guaranty supersedes and replaces but does not constitute payment, 
satisfaction or extinguishment of, the Original Guaranty.

     3.  Trustor hereby expressly agrees that the obligations 
arising under the Replacemnt Guaranty shall in all respects be 
secured by the Deed of Trust, as amended hereby.

     4.  Except as otherwise expressly provided herein, the Deed of 
Trust is unchanged and remains in full force and effect.

     5.  Trustee accepts these modifications to the trust when this 
First Amendment, duly executed and acknowledged, is made a public 
record as provided by law.

     IN WITNESS WHEREOF, Trustor and Beneficiary have executed ths 
First Amendment as of the date first hereinabove set forth.

DATRON/TRANSCO INC.                    UNION BANK
By: /s/ DAVID A. DERBY                 By: /s/ RICHARD A. PETRIE
Title: Chairman                        Title:

By: /s/ WILLIAM L. STEPHAN             By: /s/ JOSEPH OTTING
Title: Asst. Secretary                 Title: S.V.P.



STATE OF CALIFORNIA          )
                     			     )  ss.
COUNTY OF SAN DIEGO          )

     On August 14, 1995, before me, J. BEUKMAN a Notary Public in 
and for said State, personally appeared JOSEPH OTTING AND RICHARD 
A. PETRIE, personally known to me (or proved to me on the basis of 
satisfactory evidence) to be the person(s) whose name(s) is/ARE 
subscribed to the within instrument and acknowledged to me that 
he/she/THEY executed the same in his/her/THEIR authorized 
capacity(ies), and that by his/her/THEIR signature(s) on the 
instrument the person(s), or the entity upon behalf of which the 
person(s) acted, executed the instrument.

     WITNESS my hand and official seal.

(graphic Notary Seal)                      /s/ J. BEUKMAN
	 J. BEUKMAN                        Notary Public
	 COMM #1039373                     in and for said State
	 NOTARY PUBLIC-CALIFORNIA
	 SAN DIEGO COUNTY
	 MY COMMISSION EXPIRES
	 OCTOBER 5, 1988


STATE OF CALIFORNIA          )
                     			     )  ss.
COUNTY OF VENTURA            )

     On August 17, 1995, before me, E. L. HOWE a Notary Public in 
and for said State, personally appeared DAVID A. DERBY AND WILLIAM 
L. STEPHAN, personally known to me (or proved to me on the basis of 
satisfactory evidence) to be the person(s) whose name(s) is/ARE 
subscribed to the within instrument and acknowledged to me that 
he/she/THEY executed the same in his/her/THEIR authorized 
capacity(ies), and that by his/her/THEIR signature(s) on the 
instrument the person(s), or the entity upon behalf of which the 
person(s) acted, executed the instrument.

     WITNESS my hand and official seal.

(graphic Notary Seal)                      /s/ ELLEN L. HOWE
	 ELLEN L. HOWE                        Notary Public
	 COMM #1043039                     in and for said State
	 Notary Public - California
	 VENTURA COUNTY
	 MY COMM. Expires OCT 23, 1998