The WRCGV5-744.5-751.5-754.5-761.5-30-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 751.5 to 754.5 MHz, Bandwidth 3 MHz, Insertion Loss 0.5 to 1 dB, Rejection 30 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-744.5-751.5-754.5-761.5-30-2 can be seen below.