The AE137-149DB5466 from Anatech Electronics is a RF Duplexer with Frequency 137 to 138 MHz / 148 to 150 MHz, Band 1 137 to 138 MHz, Band 2 148 to 150 MHz, Power 100 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for AE137-149DB5466 can be seen below.