The WRCT8-765-766.5-767.5-769-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 766.5 to 767.5 MHz, Bandwidth 1 MHz, Insertion Loss 0.6 to 1.5 dB, Rejection 50 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-765-766.5-767.5-769-50 can be seen below.