The WBCJV4-2210-2310-2390-2490-40 from Wainwright Instruments is a Band Pass Filter with Frequency 2.31 to 2.39 GHz, Bandwidth 80 MHz, Center Frequency 2.35 GHz, Insertion Loss 0.8 to 1 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV4-2210-2310-2390-2490-40 can be seen below.