EXHIBIT 10.1

                   AMENDMENT TO CAPITAL CONTRIBUTION AGREEMENT
                                       and
                         TERMINATION OF LETTER AGREEMENT

     This Amendment to Capital Contribution  Agreement and Termination of Letter
Agreement  ("Amendment")  is  made  and  entered  into as of  this  11th  day of
September, 2003 by and among Blonder Tongue Telephone, LLC, a New Jersey limited
liability company (the "Company"),  Resource Investment Group, LLC, a New Jersey
limited liability company ("RIG"), H. Tyler Bell, NetLinc Communications, LLC, a
New  Jersey  limited   liability   company   ("NetLinc"),   and  Blonder  Tongue
Laboratories, Inc., a Delaware corporation ("Blonder Tongue").

                                   Background

     The parties entered into a Capital Contribution Agreement dated as of March
26, 2003 (the "Contribution  Agreement").  In connection with the closing of the
transactions  contemplated by the  Contribution  Agreement,  the parties entered
into a letter agreement dated March 26, 2003 (the "Letter Agreement"),  pursuant
to which the parties agreed,  among other things, to delay the timing of Blonder
Tongue's capital contributions under the Contribution  Agreement until such time
as certain conditions  precedent had been satisfied.  Based on the occurrence of
certain recent events, the parties have concluded that the conditions  precedent
outlined in the Letter  Agreement  will not be  satisfied  and,  therefore,  the
parties now desire to amend the Contribution  Agreement and terminate the Letter
Agreement as set forth herein.

     Capitalized  terms used  herein and not  otherwise  defined  shall have the
meanings ascribed to them in the Contribution Agreement.

     NOW THEREFORE,  intending to be legally bound,  the parties hereto agree as
follows:

     1. Effective as of the date hereof, Section 1 of the Contribution Agreement
is amended and restated in its entirety as follows:

          1. Contributions.

               (a) The Company  acknowledges  and agrees that (i) Blonder Tongue
has made cash  contributions  to the capital of BTT in the  aggregate  amount of
$825,000.00  (the  "Initial  Payment")  and (ii) the  Initial  Payment  has been
credited  to the Capital  Account of Blonder  Tongue  maintained  by the Company
pursuant to the Operating Agreement.

               (b)  Blonder  Tongue  agrees  to make  the  following  additional
capital contributions to the Company each of which shall be credited, when made,
to the Capital Account of Blonder Tongue  maintained by the Company  pursuant to
the Operating Agreement:

                    (i)   Blonder   Tongue   shall  make  the   following   cash
contributions to the capital of BTT:

                   Date                             Amount
                   ----                             ------
            September 11, 2003                     $50,000
            September 19, 2003                     $50,000
            September 26, 2003                     $50,000
             October 3, 2003                       $50,000
             October 10, 2003                      $50,000
             October 17, 2003                      $50,000
             October 24, 2003                      $41,667




                    (ii) Within fifteen (15) days of the date of this Agreement,
Blonder  Tongue  shall  make a capital  contribution  to the  Company of 500,000
shares of Blonder Tongue common stock, par value $0.001 (the "Stock").

               (c) For  avoidance of doubt,  the parties  acknowledge  and agree
that in no event shall the  aggregate  amount of Blonder  Tongue's  cash capital
contributions, as described in clauses (a) and (b)(i) above, exceed $1,166,667.

          2. Other than as set forth in this Amendment,  the remaining terms and
provisions of the Contribution Agreement shall remain in full force and effect.

          3. Effective as of the date hereof, the Letter Agreement is terminated
in its entirety.

     This Amendment may be executed in one or more  counterparts,  each of which
shall be deemed an original and all of which together  shall  constitute one and
the same document.

         IN WITNESS WHEREOF, the parties have executed this Amendment as of the
date first above written.

                                BLONDER TONGUE LABORATORIES, INC.


                                By:/s/ James A. Luksch
                                   ---------------------------------------------
                                   James A. Luksch,
                                   Chief Executive Officer

                                BLONDER TONGUE TELEPHONE, LLC


                                By:/s/ H. Tyler Bell
                                   ---------------------------------------------
                                   H. Tyler Bell, General Manager


                                RESOURCE INVESTMENT GROUP, LLC


                                By:/s/ Douglas Bell
                                   ---------------------------------------------
                                   Douglas Bell, Manager


                                NETLINC COMMUNICATIONS, LLC


                                By:/s/ H. Tyler Bell
                                   ---------------------------------------------
                                   H. Tyler Bell, President



                                /s/ H. Tyler Bell
                                -----------------------------------------------
                                H. TYLER BELL



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