The WRCT8-777-779.5-784.5-787-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 779.5 to 784.5 MHz, Bandwidth 5 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 WRCT8-777-779.5-784.5-787-50-1 can be seen below.