The ADPX 1950/20/2140-A from ADMOTECH is a RF Duplexer with Frequency 2.13 to 2.149 GHz, 1.94 to 1.96 GHz, Band 1 1.94 to 1.96 GHz, Band 2 2.13 to 2.149 GHz, Power 100 W, Insertion Loss 0.6 to 1 dB. More details for ADPX 1950/20/2140-A can be seen below.