Exhibit 99.1


                 Technical Communications Corporation
          Reports Results for Second Quarter of Fiscal 2003

    CONCORD, Mass.--(BUSINESS WIRE)--May 6, 2003--Technical
Communications Corporation (NASDAQ OTC BB: tcco.ob) today reported
revenue of $1,015,000 and net income of $84,000 or $0.06 per share for
its second fiscal quarter as compared to revenue of $714,000 and a net
loss of $(459,000) or $(0.35) per share for the second quarter of
fiscal 2002. For the six months ended March 29, 2003 the Company
reported net income $147,000 or $0.11 per share on revenue of
$2,150,000 as compared to a net loss of $(435,000) or $(0.33) per
share on revenue of $2,033,000 for the same period in fiscal 2002.
    Commenting on the results, TCC President and CEO, Carl Guild,
said, "We are encouraged by the continuing profitability of the
Company through these difficult times. By reducing operating expenses
and maintaining consistent revenue levels over the past three quarters
we have been able to achieve this profitability. Although we are
optimistic about our future, we remain cautious due to the lagging
U.S. and world economy and the long term nature of our contracts."

    About Technical Communications Corporation

    TCC designs, manufactures, and supports superior grade secure
communications systems that protect highly sensitive information
transmitted over a wide range of data, voice and fax networks. TCC's
proven security solutions protect information privacy on every
continent in over 100 countries. Government agencies, militaries,
financial institutions, telecommunications carriers and multinational
corporations worldwide rely on TCC to protect their communications
networks.
    Matters discussed in this news release, including any discussion
of or impact, expressed or implied, on our anticipated operating
results, financial condition and future earnings, including statements
about the Company's ability to achieve and sustain growth and
profitability, contain forward-looking statements within the meaning
of Section 27A of the Securities Act of 1933, as amended. Such
forward-looking statements, identified by the use of such terms as
"anticipates", "believes", "expects", "may", "plans" and "estimates",
among others, involve known and unknown risks. The Company's operating
results may differ significantly from the results experienced or
implied by such forward-looking statements. The Company's operating
results may be affected by many factors, including but not limited to
future changes in export laws or regulations, changes in technology,
the effect of foreign political unrest, the ability to hire, retain
and motivate technical, management and sales personnel, the risks
associated with the technical feasibility and market acceptance of new
products, changes in telecommunications protocols, the effects of
changing costs, exchange rates and interest rates and the Company's
ability to secure adequate capital resources. These and other risks
are detailed from time to time in the Company's filings with the
Securities and Exchange Commission, including the Form 10-KSB for the
fiscal year ended September 28, 2002, the Form 10-QSB for the quarter
ended December 28, 2002 and this Form 10-QSB for the quarter ended
March 29, 2003.


Technical Communications Corporation
Condensed consolidated income statements

                                             Quarter ended

                                   3/29/03                    3/30/02
Net sales                       $  1,015,000            $      714,000
Gross profit                         694,000                   458,000
S, G & A expense                     397,000                   510,000
Product development costs            215,000                   409,000
Operating income (loss)               82,000                 (461,000)
Net income (loss)             $       84,000             $   (459,000)
Net income (loss) per share:
          Basic and diluted          $  0.06                 $  (0.35)

                                           Six Months ended

                                   3/29/03                    3/30/02
Net sales                       $  2,150,000             $   2,033,000
Gross profit                       1,453,000                 1,275,000
S, G & A expense                     836,000                 1,007,000
Product development costs            476,000                   719,000
Operating income (loss)              141,000                 (451,000)
Net income (loss)              $     147,000             $   (435,000)
Net income (loss) per share:
          Basic and diluted          $  0.11                 $  (0.33)


Condensed consolidated balance sheets
                                        3/29/03               9/28/02

Cash                                $    387,000         $     438,000
Accounts receivable, net                 747,000               272,000
Inventory                              1,216,000             1,371,000
Other current assets                      87,000               155,000
        Total current assets           2,437,000             2,236,000
Property and equipment, net              124,000               184,000
                                     $ 2,561,000          $  2,420,000

Accounts payable                    $    120,000         $     189,000
Accrued expenses and
  other current liabilities              567,000               505,000
        Total current liabilities        687,000               694,000
Total stockholders' equity             1,874,000             1,726,000
                                    $  2,561,000          $  2,420,000



    CONTACT: Technical Communications Corporation
             Michael P. Malone, 978/287 5100
             www.tccsecure.com