The WBCGV4-710.5-740.5-755.5-785.5-30 from Wainwright Instruments is a Band Pass Filter with Frequency 740.5 to 755.5 MHz, Bandwidth 15 MHz, Center Frequency 748 MHz, Insertion Loss 0.65 to 0.75 dB, Rejection 30 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV4-710.5-740.5-755.5-785.5-30 can be seen below.