Exhibit 11.1 WIRELESS TELECOM GROUP, INC. COMPUTATION OF PER SHARE EARNINGS (UNAUDITED) MARCH 31, 2000 March 31, 1999 -------------- -------------- Income from continuing operations $ 662,678 $ 543,277 Income from discontinued operations and Gain on sale of test equipment business net of income tax -- 3,560,852 -------------- ----------- Net Income $ 662,678 $ 4,104,129 ============== =========== BASIC EARNINGS: Weighted average number of common shares 17,162,257 17,557,298 Outstanding ============== =========== Basic earnings per common share: Continuing operations $0.04 $0.03 Discontinued operations 0.00 0.20 ----- ----- $0.04 $0.23 ===== ===== DILUTED EARNINGS: Weighted average number of common shares outstanding 17,162,257 17,557,298 Stock Options 772,138 -- -------------- ----------- Weighted average number of common shares outstanding, as 17,934,395 17,557,298 adjusted ============== =========== Diluted earnings per common share: Continuing operations $0.04 $0.03 Discontinued operations 0.00 0.20 ----- ----- $0.04 $0.23 ===== ===== 12