Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-42233) of Frequency Electronics, Inc. of our report dated July 25, 2008 relating to the consolidated financial statements and financial statement schedule, which appears in this Form 10-K.

/s/ Holtz Rubenstein Reminick LLP

Holtz Rubenstein Reminick LLP

Melville, New York

July 29, 2008