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| FLORIDA                                                        | 59-2095002                           |
|----------------------------------------------------------------|--------------------------------------|
| (State or other jurisdiction of incorporation or organization) | (I.R.S. employer identification no.) |

| Large accelerated filer o           | Accelerated filer o              |
|------------------------------------------|---------------------------------------|
| Non-accelerated filer   o | Smaller reporting company þ |

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|   | Exhibit 31.1 — Certification of the CEO pursuant to Rule 13a-14(a) or Rule 15(d)-14(a).                                                                                                                                                                                      |   |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|
|   |
|   | Exhibit 31.2 — Certification of the CFO pursuant to Rule 13a-14(a) or Rule 15(d)-14(a).                                                                                                                                                                                      |   |
|   |
|   | Exhibit 32.1 — Certification pursuant to 18 U.S.C. §1350 as adopted pursuant to Section 906 of the                       Sarbanes-Oxley Act of 2002. |   |
|   |
|   | Exhibit 32.2 — Certification pursuant to 18 U.S.C. §1350 as adopted pursuant to Section 906 of the                       Sarbanes-Oxley Act of 2002.      |   |

|                 | TECHNOLOGY RESEARCH CORPORATION                                                                                                                                                                                                                                            |
|----------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                 |                                                                                                                                                                                                                                                                       |
| March 25, 2010       | By:       /s/ Owen Farren                                                                                                                                                                                                               |
|                 |              Owen Farren                                                                                                                                                                                  |
|                 |              President and Chief Executive Officer                                                                                                                                                             |
|                 |              (Principal Executive Officer)                                                                                                                                                                     |
|                 |
|                 |
| March 25, 2010  | By:       /s/ Thomas G. Archbold                                   |
|                 |              Thomas G. Archbold                                                                                                                                                                           |
|                 |              Chief Financial Officer                                                                                                                                                                           |
|                 |              (Principal Financial and Accounting Officer)                                                                                                                                                      |