The AD417-427D225 from Anatech Electronics is a RF Duplexer with Frequency 415 to 420 MHz / 425 to 430 MHz, Band 1 415 to 420 MHz, Band 2 425 to 430 MHz, Power 100 W, Insertion Loss 1.2 dB. Tags: Module with Connectors. More details for AD417-427D225 can be seen below.