Exhibit 11.1 DIGITAL MICROWAVE CORPORATION COMPUTATION OF PER SHARE EARNINGS (In thousands, except per share amounts) (Unaudited) Three Months Ended Six Months Ended September 30, 1997 September 30, 1997 ------------------ ------------------ 1997 1996 1997 1996 ------ ------ ------ ------ Primary: Weighted average shares outstanding 18,886 15,951 18,714 15,917 Common stock equivalents 1,083 660 1,037 519 ------ ------ ------ ------ 19,969 16,611 19,751 16,436 ------ ------ ------ ------ ------ ------ ------ ------ Fully Diluted: Weighted average shares outstanding 18,886 15,951 18,714 15,917 Common stock equivalents 1,214 990 1,168 828 ------ ------ ------ ------ 20,100 16,941 19,882 16,745 ------ ------ ------ ------ ------ ------ ------ ------ Earnings per share: Primary $ .37 $ .13 $ .67 $ .20 ------ ------ ------ ------ ------ ------ ------ ------ Fully Diluted $ .37 $ .13 $ .66 $ .19 ------ ------ ------ ------ ------ ------ ------ ------