The RFDUPC8401 from RF-Lambda is a Multiplexer with Attenuation 80 dB (Out band Rejection), Frequency 885 to 960 MHz / 2010 to 2025 MHz / 1920 to 2170 MHz / 1710 to 1880 MHz, Insertion Loss 0.3 to 0.8 dB, Power handling 200 W, Return Loss -20 dB. Tags: Module with Connectors. More details for RFDUPC8401 can be seen below.