The WBCTB10-2082.5-2090-2110-2117.5-40 from Wainwright Instruments is a Band Pass Filter with Frequency 2.09 to 2.11 GHz, Bandwidth 20 MHz, Center Frequency 2.1 GHz, Insertion Loss 2.5 to 3.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB10-2082.5-2090-2110-2117.5-40 can be seen below.