76287943
Jul 19, 2001
Jun 15, 2004
WIRELESS BASE STATIONS, FRONT-END FILTERS, AMPLIFIERS, DUPLEXERS, MULTIPLEXERS, POWER AMPLIFIERS, HIGH-TEMPERATURE SUPERCONDUCTING FILTERS, AND CRYOGENICALLY COOLED AMPLIFIERS, FOR USE IN WIRELESS COMMUNICATIONS NETWORKS AND WIRELESS INFRASTRUCTURE EQUIPMENT
Electrical and Scientific Apparatus