The WBCJV8-5180-5190-5210-5220-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 5.19 to 5.21 GHz, Bandwidth 20 MHz, Center Frequency 5.2 GHz, Insertion Loss 7 to 11 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV8-5180-5190-5210-5220-40-1 can be seen below.