The AE915-948DB5154 from Anatech Electronics is a RF Duplexer with Frequency 902 to 928 MHz / 944 to 952 MHz, Band 1 902 to 928 MHz, Band 2 944 to 952 MHz, Power 50 W, Insertion Loss 1 to 1.4 dB. Tags: Module with Connectors. More details for AE915-948DB5154 can be seen below.