The WVC-450D470-3M01 from Wevercomm is a RF Duplexer with Frequency 456 to 469 MHz / 451 to 464 MHz, Band 1 456 to 469 MHz, Band 2 451 to 464 MHz, Power 100 W, Insertion Loss 1.5 to 2 dB. Tags: Module with Connectors. More details for WVC-450D470-3M01 can be seen below.