The WRCGV8-727-735-740-748-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 735 to 740 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 WRCGV8-727-735-740-748-80 can be seen below.