Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. § 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned President and Chief Executive Officer and Chief Financial Officer of Technical Communications Corporation (the “Company”) certifies that, to his knowledge:

1) the Company’s Quarterly Report on Form 10-Q for the quarter ended March 29, 2014 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2) the information contained in the Company’s Quarterly Report on Form 10-Q for the quarter ended March 29, 2014 fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Carl H. Guild, Jr.                                                  Carl H. Guild, Jr. President and Chief Executive Officer   Date: May 13, 2014 /s/ Michael P. Malone                                                  Michael P. Malone Chief Financial Officer   Date: May 13, 2014