The WRCGV8-740-746-758-764-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 746 to 758 MHz, Bandwidth 12 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-740-746-758-764-40 can be seen below.