EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS 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 June 26, 2002 relating to the consolidated financial statements and financial statement schedule, which appears in this Form 10-K. PRICEWATERHOUSECOOPERS LLP Melville, New York July 29, 2002