The TTPD-8644 from Telewave is a RF Duplexer with Frequency 806 to 960 MHz, Power 650 W, Insertion Loss 0.5 to 0.35 dB, Attenuation 70 to 85 dB, Operating temperature -30 to 70 Degree C. Tags: Module with Connectors. More details for TTPD-8644 can be seen below.