The Telewave TPRD-9044 base station duplexer provides high performance and high reliability for 900 MHz radio systems. With two pass-reject cavities in each transmitter and receiver path, these duplexers provide maximum transmitter to receiver protection in dense radio frequency environments. The TPRD-9044 mounts on a 19 in standard rack, with panel height of 5.25 in. Power handling is 250 W. Receiver desense protection is at least 80 dB, and transmitter sideband suppression is at least 80 dB.