The WRCT5-718.5-721-724-726.5-30-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 721 to 724 MHz, Bandwidth 3 MHz, Insertion Loss 0.5 to 1 dB, Rejection 30 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT5-718.5-721-724-726.5-30-1 can be seen below.