The AD423-413D329 from Anatech Electronics is a RF Duplexer with Frequency 421.675 to 425.850 MHz / 411.675 to 415.850 MHz, Band 1 421.675 to 425.850 MHz, Band 2 411.675 to 415.850 MHz, Power 60 W, Insertion Loss 2 dB. Tags: Module with Connectors. More details for AD423-413D329 can be seen below.