The LDX-2110/2155-Q5 from Leader-MW is a RF Duplexer with Frequency 2.11 to 2.17 GHz, Band 1 2.11 to 2.14 GHz, Band 2 2.155 to 2.17 GHz, Insertion Loss 1.5 dB, Attenuation 50 dB. Tags: Module with Connectors. More details for LDX-2110/2155-Q5 can be seen below.