The WBCGV5-800.5-810.5-820.5-830.5-40 from Wainwright Instruments is a Band Pass Filter with Frequency 810.5 to 820.5 MHz, Bandwidth 10 MHz, Center Frequency 815.5 MHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV5-800.5-810.5-820.5-830.5-40 can be seen below.