The TPCD-8928 from Telewave is a RF Duplexer with Frequency 824 to 894 MHz, Power 350 W, Insertion Loss 0.5 to 1 dB, Attenuation 70 to 80 dB, Operating temperature -30 to 70 Degree C. Tags: Module with Connectors. More details for TPCD-8928 can be seen below.