The WBCGV12-2172.5-2182.5-2197.5-2207.5-50 from Wainwright Instruments is a Band Pass Filter with Frequency 2.1825 to 2.1975 GHz, Bandwidth 15 MHz, Center Frequency 2.19 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-2172.5-2182.5-2197.5-2207.5-50 can be seen below.