The WBCGV10-865.5-876.5-886.5-897.5-80-1 from Wainwright Instruments is a Band Pass Filter with Frequency 876.5 to 886.5 MHz, Bandwidth 10 MHz, Center Frequency 881.5 MHz, Insertion Loss 2.5 to 3.5 dB, Rejection 80 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV10-865.5-876.5-886.5-897.5-80-1 can be seen below.