The WBCTB3-755-765-769-779-40 from Wainwright Instruments is a Band Pass Filter with Frequency 765 to 769 MHz, Bandwidth 4 MHz, Center Frequency 767 MHz, Insertion Loss 1.25 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB3-755-765-769-779-40 can be seen below.