The AE10-900MP1002 from Anatech Electronics is a Multiplexer with Attenuation 50 dB, Frequency 10 to 45 MHz / 88 to 108 MHz / 174 to 216 MHz / 440 to 470 MHz / 800 to 900 MHz, Insertion Loss 2 to 3.5 dB, Return Loss 15 dB. Tags: Module with Connectors. More details for AE10-900MP1002 can be seen below.