The WBCGV4-807.5-837.5-852.5-882.5-30 from Wainwright Instruments is a Band Pass Filter with Frequency 837.5 to 852.5 MHz, Bandwidth 15 MHz, Center Frequency 845 MHz, Insertion Loss 0.65 to 0.75 dB, Rejection 30 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV4-807.5-837.5-852.5-882.5-30 can be seen below.