Exhibit 23.1

                         Consent of Grant Thornton LLP

              CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

We have issued our report dated November 7, 2000 accompanying the consolidated
financial statements included in the Annual Report of Technical Communications
Corporation on Form 10-K for the year ended September 30, 2000. We hereby
consent to the incorporation by reference of said report in the Registration
Statements pertaining to the Technical Communications Corporation 1991 Stock
Option Plan (Form S-8 No. 33-46890) and the 1995 Employee Stock Purchase Plan
(Form S-8 N0. 33-34443).


/s/ Grant Thornton LLP


Boston, Massachusetts
December 28, 2000