POWERWAVE TECHNOLOGIES INC
REVOLVING NOTE DATED AS OF MAY 26, 2000
<DOCUMENT>
<TYPE>EX-10.4
<SEQUENCE>4
<FILENAME>0004.txt
<DESCRIPTION>REVOLVING NOTE DATED AS OF MAY 26, 2000
<TEXT>

<PAGE>

Exhibit 10.4

                                REVOLVING NOTE
                                --------------

$20,000,000.00                                                      May 26, 2000

     FOR VALUE RECEIVED, the undersigned, POWERWAVE TECHNOLOGIES, INC., a
Delaware corporation (the "Borrower"), promises to pay to the order of COMERICA
                           --------
BANK-CALIFORNIA (the "Bank") on May 31, 2001 the principal sum of TWENTY MILLION
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DOLLARS ($20,000,000.00) or, if less, the aggregate unpaid principal amount of
all advances under the Revolving Loan shown on the Bank's books and records made
by Bank pursuant to that certain Loan Agreement, dated as of May 26, 2000
(together will all amendments and other modifications, if any, from time to time
thereafter made thereto, the "Loan Agreement"), among Borrower, Comerica Bank-
                              --------------
California, as Agent, and the financial institutions identified therein as
"Lenders" (including Bank).

     Borrower also promises to pay interest on the unpaid principal amount
hereof from time to time outstanding from the date hereof until maturity
(whether by acceleration or otherwise) and, after maturity, until paid, at the
rates per annum and on the dates specified in the Loan Agreement.

     Payments of both principal and interest are to be made in lawful money of
the United States of America in same day or immediately available funds as
further provided in the Loan Agreement.

     This Note is the Revolving Note referred to in, and evidences indebtedness
incurred under, the Loan Agreement, to which reference is made for a statement
of the terms and conditions on which Borrower is permitted and required to make
prepayments and repayments of principal of the indebtedness evidenced by this
Note and on which such indebtedness may be declared to be immediately due and
payable.  Unless otherwise defined, terms used herein have the meanings provided
in the Loan Agreement.

     All parties hereto, whether as makers, endorsers, or otherwise, severally
waive presentment for payment, demand, protest and notice of dishonor.

     THIS NOTE HAS BEEN DELIVERED IN IRVINE, CALIFORNIA, AND SHALL BE CONSTRUED
IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF CALIFORNIA (WITHOUT
GIVING EFFECT TO THE CHOICE OF LAW PRINCIPLES OF SUCH STATE).

                              POWERWAVE TECHNOLOGIES, INC.

                              By:    /s/ Kevin T. Michaels
                                  -------------------------------
                              Title: Chief Financial Officer
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