The RFDUPC8304 from RF-Lambda is a Multiplexer with Attenuation 85 dB (Out band Rejection), Frequency 885 to 960 MHz / 1710 to 1880 MHz / 2010 to 2025 MHz, Insertion Loss 0.3 to 0.6 dB, Power handling 200 W, Return Loss -20 dB. Tags: Module with Connectors. More details for RFDUPC8304 can be seen below.