Exhibit 11.1 WIRELESS TELECOM GROUP, INC. COMPUTATION OF PER SHARE EARNINGS (Unaudited) For the Three Months For the Six Months Ended June 30, 1998 Ended June 30, 1998 Per Per Income Shares Share Income Shares Share Net income (loss) from operations ($373,682) $826,864 Basic EPS Income (loss)available to common shareholders (373,682) 17,557,179 ($.02) 826,864 17,520,920 $.05 Effect of Dilutive Securities Stock options - 41,954 - 97,931 Diluted EPS Income (loss) available to common shareholders plus assumed conversions ($373,682) 17,599,133 ($.02) $826,864 17,618,851 $.05 For the Three Months For the Six Months Ended June 30, 1997 Ended June 30, 1997 Per Per Income Shares Share Income Shares Share Net income from operations $2,142,964 $4,382,244 Basic EPS Income available to common shareholders 2,142,964 17,435,186 $.12 4,382,244 17,422,635 $.25 Effect of Dilutive Securities Stock options - 380,954 - 397,503 Diluted EPS Income available to common shareholders plus assumed conversions $2,142,964 17,816,140 $.12 $4,382,244 17,820,138 $.25 -12-