The WRCT8-751-755-765-769-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 755 to 765 MHz, Bandwidth 10 MHz, Insertion Loss 0.6 to 1 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-751-755-765-769-40 can be seen below.