The WBCGV12-2421.75-2431.75-2451.75-2461.75-50 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 3.5 to 4.5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-2421.75-2431.75-2451.75-2461.75-50 can be seen below.