The WBCJV8-5280-5290-5310-5320-40 from Wainwright Instruments is a Band Pass Filter with Frequency 5.29 to 5.31 GHz, Bandwidth 20 MHz, Center Frequency 5.3 GHz, Insertion Loss 7 to 11 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV8-5280-5290-5310-5320-40 can be seen below.