The WRCGV12-760.5-770.5-790.5-800.5-70-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 770.5 to 790.5 MHz, Bandwidth 20 MHz, Insertion Loss 1.25 to 2 dB, Rejection 70 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-760.5-770.5-790.5-800.5-70-1 can be seen below.