The WRCT16-731-733-748-750-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 733 to 748 MHz, Bandwidth 15 MHz, Insertion Loss 1 to 2 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-731-733-748-750-40 can be seen below.