The WBCGV5-830-840-850-860-40 from Wainwright Instruments is a Band Pass Filter with Frequency 840 to 850 MHz, Bandwidth 10 MHz, Center Frequency 845 MHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV5-830-840-850-860-40 can be seen below.