EXHIBIT 10.2
                              REVOLVING CREDIT NOTE


$7,000,000                                                       March  20, 2002


     FOR VALUE  RECEIVED and  intending to be legally  bound,  the  undersigned,
BLONDER  TONGUE  LABORATORIES,  Inc.,  a  Delaware  corporation,   ("Borrower"),
promises to pay, in lawful money of the United  States of America,  to the order
of COMMERCE  BANK,  N.A.  ("Lender"),  at 1701 Route 70 East,  Cherry Hill,  New
Jersey 08034,  the maximum  aggregate  principal  sum of Seven  Million  Dollars
($7,000,000)  or  such  lesser  sum  which  represents  the  principal   balance
outstanding under the Revolving Credit established pursuant to the provisions of
that certain Loan and Security  Agreement  dated of even date herewith,  between
Borrower and Lender (as it may be supplemented, restated, superseded, amended or
replaced from time to time, "Loan Agreement"). The outstanding principal balance
hereunder  shall be payable in accordance  with the terms of the Loan Agreement.
The actual amount due and owing from time to time  hereunder  shall be evidenced
by Lender's records of receipts and disbursements  with respect to the Revolving
Credit, which shall, in the absence of manifest error, be conclusive evidence of
the amount.  All capitalized terms used herein without further  definition shall
have the respective meanings ascribed thereto in the Loan Agreement.

     Borrower  further  agrees  to pay  interest  on the  outstanding  principal
balance hereunder from time to time at the per annum rates set forth in the Loan
Agreement.  Interest  shall be calculated on the basis of a year of 360 days but
charged for the actual number of days  elapsed,  and shall be due and payable as
set forth in the Loan Agreement.

     This Revolving  Credit Note is that certain  Revolving Credit Note referred
to in the Loan Agreement.

     If an Event of Default occurs and is continuing  under the Loan  Agreement,
the  unpaid  principal  balance  of this  Revolving  Credit  Note along with all
accrued  and  unpaid  interest  and  unpaid  Expenses  shall  become,  or may be
declared,  immediately  due and payable as provided in the Loan  Agreement.  The
obligations  evidenced  by  this  Revolving  Credit  Note  are  secured  by  the
Collateral.

     This Revolving Credit Note may be prepaid only in accordance with the terms
and conditions of the Loan Agreement.

     Borrower hereby waives protest,  demand, notice of nonpayment and all other
notices in connection with the delivery, acceptance,  performance or enforcement
of this Revolving Credit Note.

     This Revolving Credit Note shall be governed by and construed in accordance
with the substantive  laws of the  jurisdiction  set forth in Section 9.1 of the
Loan  Agreement.  The provisions of this Revolving  Credit Note are to be deemed
severable and the  invalidity  or  unenforceability



of any  provision  shall not affect or impair the  remaining  provisions of this
Revolving  Credit  Note  which  shall  continue  in full  force and  effect.  No
modification  hereof  shall be  binding or  enforceable  against  Lender  unless
approved in writing by Lender.

     BORROWER (AND LENDER BY ITS  ACCEPTANCE  HEREOF)  HEREBY WAIVES ANY AND ALL
RIGHTS IT MAY HAVE TO A JURY TRIAL IN  CONNECTION  WITH ANY  LITIGATION  ARISING
WITH RESPECT TO RIGHTS AND  OBLIGATIONS  OF THE PARTIES HERETO OR UNDER THE LOAN
DOCUMENTS  OR  WITH  RESPECT  TO ANY  CLAIMS  ARISING  OUT  OF ANY  DISCUSSIONS,
NEGOTIATIONS  OR  COMMUNICATIONS  INVOLVING OR RELATED TO ANY PROPOSED  RENEWAL,
EXTENSION,  AMENDMENT,  MODIFICATION,   RESTRUCTURE,  FORBEARANCE,  WORKOUT,  OR
ENFORCEMENT OF THE TRANSACTIONS CONTEMPLATED BY THE LOAN DOCUMENTS.

     IN WITNESS WHEREOF, and intending to be legally bound hereby,  Borrower has
executed these presents the day and year first above written.


                                        BLONDER TONGUE LABORATORIES, INC.



                                        By: /s/ James A. Luksch
                                            ------------------------------------
                                            James A. Luksch, President and CEO



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