EXHIBIT 10.4
                                TERM LOAN B NOTE

$3,500,000                                                        March 20, 2002

     FOR VALUE  RECEIVED and  intending to be legally  bound,  the  undersigned,
BLONDER TONGUE  LABORATORIES,  Inc., a Delaware  corporation  (the  "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 original  principal sum of Three Million Five Hundred Thousand
Dollars  ($3,500,000)  under  the  Term  Loan  B  established  pursuant  to  the
provisions of that certain Loan and Security  Agreement,  of even date herewith,
by and  between  Borrower  and  Lender  (as it  may be  supplemented,  restated,
superseded,  amended or replaced from time to time, the "Loan  Agreement").  All
capitalized  terms  used  herein  without  further  definition  shall  have  the
respective meanings ascribed thereto in the Loan Agreement.

     The principal  balance of the Term Loan B shall be paid in accordance  with
the terms of 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 Term Loan B Note is that certain  Term Loan B 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 Term Loan B 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 Term Loan B Note are secured by the Collateral.

     This Term Loan B 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 Term Loan B Note.

     This Term Loan B 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 Term Loan B Note are to be deemed  severable
and the  invalidity or  unenforceability  of any  provision  shall not affect or
impair the remaining provisions of this Term Loan B 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, PROCEEDING
OR  COUNTERCLAIM  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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