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, 1997 1996 1997 1996 NET INCOME $1,800,747 $2,062,062 $6,182,991 $5,409,477 --------- --------- --------- --------- PRIMARY Weighted average shares 17,445,935 17,354,571 17,430,489 17,325,159 Assumed conversions: Stock options and warrants 383,597 400,059 391,917 390,555 ---------- ---------- ---------- ---------- Total weighted average shares outstanding 17,829,532 17,754,630 17,822,406 17,715,714 Per share amounts $.10 $.12 $.35 $.31 FULLY DILUTED Weighted average shares 17,445,935 17,354,571 17,430,489 17,325,159 Assumed conversions: Stock options and warrants 383,597 410,255 391,917 402,977 ---------- ---------- ---------- ---------- Total weighted average shares outstanding 17,829,532 17,764,826 17,822,406 17,728,136 Per share amounts $.10 $.12 $.35 $.31 -13-