The WRCGV10-757.5-765.5-770.5-778.5-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 765.5 to 770.5 MHz, Bandwidth 5 MHz, Insertion Loss 1 to 1.5 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-757.5-765.5-770.5-778.5-80 can be seen below.