The WRCT8-763-765-769-771-35 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 765 to 769 MHz, Bandwidth 4 MHz, Insertion Loss 0.6 to 1.25 dB, Rejection 35 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-763-765-769-771-35 can be seen below.