The Telewave TTPD-7644 base station duplexer is designed specifically for the 763 – 869 MHz public safety frequency band. Four bandpass and band reject cavities utilize an exclusive Telewave coupling technique to provide a true bandpass response, while rejecting a specified frequency band. The TTPD-7644 is a compact, rack mounted duplexer on a 5.25 in x 19 in panel, with a power rating of 650 W. Heavy-duty materials including 1/4 in top and bottom plates add to the rugged design of this duplexer.