The AD462-452D328 from Anatech Electronics is a RF Duplexer with Frequency 460 to 465.730 MHz / 450 to 455.730 MHz, Band 1 460 to 465.730 MHz, Band 2 450 to 455.730 MHz, Power 60 W, Insertion Loss 2 dB. Tags: Module with Connectors. More details for AD462-452D328 can be seen below.