The WRCT8-713.5-717.5-727.5-731.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 717.5 to 727.5 MHz, Bandwidth 10 MHz, Insertion Loss 0.6 to 1 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-713.5-717.5-727.5-731.5-40-2 can be seen below.