The WBCGV12-2122.5-2132.5-2147.5-2157.5-50-3 from Wainwright Instruments is a Band Pass Filter with Frequency 2.1325 to 2.1475 GHz, Bandwidth 15 MHz, Center Frequency 2.14 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-2122.5-2132.5-2147.5-2157.5-50-3 can be seen below.