EXHIBIT 21.1 DIGITAL MICROWAVE CORPORATION LIST OF SUBSIDIARIES DMC Telecom U.K. Ltd. East Kilbride, Scotland DMC Telecom Canada, Inc. Etobicoke, Ontario, Canada DMC do Brazil Ltda. Campinas, Brazil DMC de Mexico, S.A. de C.V. Mexico City, Mexico Digital Microwave India Private Limited New Delhi, India DMC Telecom Philippines, Inc. Metro Manila, Philippines Granger, Inc. San Antonio, Texas MAS Technology Limited Wellington, New Zealand NZ Telecoms (Proprietary) Limited South Pretoria, Republic of South Africa