The LDX-WCDMA-Q6S from Leader-MW is a RF Duplexer with Frequency 1.94 to 2.16 GHz, Band 1 1.94 to 1.97 GHz, Band 2 2.13 to 2.16 GHz, Insertion Loss 1.6 dB, Attenuation 20 dB. Tags: Module with Connectors. More details for LDX-WCDMA-Q6S can be seen below.