Exhibit 11.1 WIRELESS TELECOM GROUP, INC. COMPUTATION OF PER SHARE EARNINGS (Unaudited) For the Three Months For the Nine Months Ended September 30, Ended September 30, 2004 2003 2004 2003 ---------- ---------- ---------- ---------- Net Income $784,563 $ 646,777 $1,619,347 $1,132,246 ========== ========== ========== ========== BASIC EARNINGS: Weighted average number of common shares outstanding 17,223,801 16,937,678 17,128,399 16,892,153 ========== ========== ========== ========== Basic earnings per common share $ 0.05 $ 0.04 $ 0.09 $0.07 ========== ========== ========== ========== DILUTED EARNINGS: Weighted average number of common shares outstanding 17,223,801 16,937,678 17,128,399 16,892,153 Assumed exercise of stock options 178,258 228,098 408,734 126,756 ---------- ---------- ---------- ---------- Weighted average number of common shares outstanding, as adjusted 17,402,059 17,165,776 17,537,133 17,018,909 ========== ========== ========== ========== Diluted earnings per common share $ 0.05 $ 0.04 $ 0.09 $0.07 ========== ========== ========== ==========