The WBCJV4-2361.75-2431.75-2451.75-2521.75-40 from Wainwright Instruments is a Band Pass Filter with Frequency 2.43175 to 2.45175 GHz, Bandwidth 20 MHz, Center Frequency 2.44175 GHz, Insertion Loss 1.25 to 1.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV4-2361.75-2431.75-2451.75-2521.75-40 can be seen below.