The WRCGV12-717.5-727.5-747.5-757.5-70 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 727.5 to 747.5 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 WRCGV12-717.5-727.5-747.5-757.5-70 can be seen below.