The WRCGV8-740.5-748.5-753.5-761.5-80-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 748.5 to 753.5 MHz, Bandwidth 5 MHz, Insertion Loss 0.75 to 2 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-740.5-748.5-753.5-761.5-80-2 can be seen below.