The LDX-1840/2000-Q6S from Leader-MW is a RF Duplexer with Frequency 1.84 to 2.2 GHz, Band 1 1.84 to 1.92 GHz(RX), Band 2 2 to 2.2 GHz(TX), Power 100 W, Insertion Loss 1.3 dB. Tags: Module with Connectors. More details for LDX-1840/2000-Q6S can be seen below.