The WRCT10-718-728-746-756-80-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 728 to 746 MHz, Bandwidth 18 MHz, Insertion Loss 0.75 to 1 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-718-728-746-756-80-1 can be seen below.