EXHIBIT 11.1 CAI WIRELESS SYSTEMS, INC. AND SUBSIDIARIES Computation of Loss per Common Share For the Three-Month Period Ended June 30, 1996 Net loss $ (16,620,435) Preferred stock dividend (3,075,617) Loss applicable to common stock shareholders $ (19,696,052) Weighted average number of shares outstanding 38,859,743 Loss per common share $ (0.51) COMPUTATION OF WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING WEIGHTED AVERAGE SHARES SHARES FOR THE QUARTER ENDED JUNE 30, 1996 Beginning Balance 37,829,482 37,829,482 Series A Preferred Stock - converted 2,481,990 1,030,261 Series A Preferred Stock - not converted 64,167 0 Warrants - BANX 36,751,083 0 Warrants - Other 2,310,541 0 Options 1,274,134 0 38,859,743 (a) Outstanding convertible preferred stock, warrants and options are not considered for the purposes of calculating the weighted average shares outstanding since these securities are anti-dilutive. (b) The Series A Redeemable Convertible Preferred Stock of 5,775 shares which have not been converted are assumed converted at a conversion price of $9 per share. 11