Exhibit 10.3

ELEVENTH AMENDMENT TO REVOLVING CREDIT,

TERM LOAN AND SECURITY AGREEMENT

THIS ELEVENTH AMENDMENT TO REVOLVING CREDIT, TERM LOAN AND SECURITY AGREEMENT (the “Agreement”) is entered into on November 14, 2015, by and among BLONDER TONGUE LABORATORIES, INC., a corporation organized under the laws of the State of Delaware (“BTL”), R. L. DRAKE HOLDINGS, LLC, a limited liability company organized under the laws of the State of Delaware (“RL Drake” and collectively with BTL, the “Borrower”), the financial institutions which are now or which hereafter become a party hereto (collectively, the “Lenders” and individually a “Lender”) and SANTANDER BANK, N.A. (formerly known as Sovereign Bank, N.A.) (“Santander”), as agent for Lenders (Santander, in such capacity, the “Agent”).

RECITALS

Whereas, the Borrower and the Lenders entered into a Revolving Credit, Term Loan and Security Agreement dated August 6, 2008, as amended by that certain First Amendment to Revolving Credit Term Loan and Security Agreement dated January 14, 2011, that certain Second Amendment to Revolving Credit Term Loan and Security Agreement dated February 1, 2012, that certain letter agreement dated August 10, 2012 (constituting the third amendment to the Revolving Credit, Term Loan and Security Agreement), that certain Fourth Amendment to Revolving Credit, Term Loan and Security Agreement dated March 27, 2013, that certain Fifth Amendment to Revolving Credit, Term Loan and Security Agreement dated November 13, 2013, that certain Sixth Amendment to Revolving Credit, Term Loan and Security Agreement dated March 28, 2014, that certain Seventh Amendment to Revolving Credit, Term Loan and Security Agreement dated January 21, 2015, that certain Eighth Amendment to Revolving Credit, Term Loan and Security Agreement dated May 14, 2015, that certain Ninth Amendment to Revolving Credit, Term Loan and Security Agreement dated August 12, 2015 and that certain Tenth Amendment to Revolving Credit, Term Loan and Security Agreement dated October 14, 2015, as the same shall be further amended by this Agreement (as may be further amended, restated, replaced and/or modified from time to time, the “Loan Agreement”); and

Whereas, the Borrower and the Lenders have agreed to modify the terms of the Loan Agreement as set forth in this Agreement to, among other things, temporarily modifying the Inventory Advance Rate.

Now, therefore, in consideration of the Lender’s continued extension of credit and the agreements contained herein, the parties agree as follows:

AGREEMENT

“Additional Availability Period” shall mean the period beginning on the date of the Eleventh Amendment and ending on the close of business on February 1, 2016.

“Eleventh Amendment” shall mean that certain Eleventh Amendment to Revolving Credit, Term Loan and Security Agreement dated the Eleventh Amendment Closing Date by and among the Borrower, the Lenders and the Agent.

“Eleventh Amendment Closing Date” shall mean as of November 14, 2015.

(A)    the Loan Agreement and Other Documents, as amended hereby, are in full force and effect without any defense, claim, counterclaim, right or claim of set-off;

(B)    to the best of its knowledge, no default by the Agent or the Lenders in the performance of their duties under the Loan Agreement or the Other Documents has occurred;

(C)    all representations and warranties of the Borrower contained herein and in the Other Documents are true and correct in all material respects as of this date, except for any representation or warranty that specifically refers to an earlier date;

(D)    the Borrower has taken all necessary action to authorize the execution and delivery of this Agreement; and

(E)    this Agreement is a modification of an existing obligation and is not a novation.

(A)    provide the Agent with this Agreement, properly executed;

(B)    pay to the Agent an amendment fee in the amount of $50,000, which shall be payable weekly in ten (10) equal installments of $5,000 each, beginning on November 20, 2015 and thereafter on the Friday of each week; and

(C)    pay, promptly upon presentation of an invoice therefor, all other fees and costs incurred by the Lenders in entering into this Agreement, including, but not limited to, all reasonable legal fees incurred by the Agent.

IN WITNESS WHEREOF, the undersigned have signed and sealed this Agreement the day and year first above written.