The WBCGV6-842.5-852.5-862.5-872.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 852.5 to 862.5 MHz, Bandwidth 10 MHz, Center Frequency 857.5 MHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-842.5-852.5-862.5-872.5-50-1 can be seen below.