The 921-772-802 from Innowave RF is a RF Duplexer with Frequency 799 to 805 MHz / 769 to 775 MHz, Band 1 799 to 805 MHz, Band 2 769 to 775 MHz, Power 250 W, Insertion Loss 0.35 dB. Tags: Module with Connectors. More details for 921-772-802 can be seen below.