Exhibit 11.1 WIRELESS TELECOM GROUP, INC. COMPUTATION OF PER SHARE EARNINGS (Unaudited) For the Three Months For Six Months Ended June 30, Ended June 30, 2005 2004 2005 2004 ---- ---- ---- ---- Net Income $ 1,058,870 $ 646,917 $2,129,471 $834,785 =========== ========= ========== ======== BASIC EARNINGS: Weighted average number of common shares outstanding 17,487,376 17,161,361 17,474,720 17,080,168 =========== ========== ========== ========== Basic earnings per common share $0.06 $0.04 $ 0.12 $ 0.05 =========== ========== ========== ========== DILUTED EARNINGS: Weighted average number of common shares outstanding 17,487,376 17,161,361 17,474,720 17,080,168 Assumed exercise of stock options 120,911 414,830 153,468 520,263 ----------- --------- ---------- ---------- Weighted average number of common shares outstanding, as adjusted 17,608,287 17,576,191 17,628,188 17,600,431 ========== ========== ========== ========== Diluted earnings per common share $0.06 $0.04 $ 0.12 $ 0.05 ========== ========== ========== ==========