The AD464-454D327 from Anatech Electronics is a RF Duplexer with Frequency 462 to 467.475 MHz / 452 to 457.475 MHz, Band 1 462 to 467.475 MHz, Band 2 452 to 457.475 MHz, Power 60 W, Insertion Loss 2.5 dB. Tags: Module with Connectors. More details for AD464-454D327 can be seen below.