The RFDULTE0012 from RF-Lambda is a RF Duplexer with Frequency 1710 to 1785 MHz / 1805 to 1880 MHz, Band 1 1.71 to 1.785 GHz, Band 2 1.805 to 1.88 GHz, Power 100 W, Insertion Loss 1.10 to 1.50 dB. Tags: Module with Connectors. More details for RFDULTE0012 can be seen below.