The WRCT16-722-723-728-729-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 723 to 728 MHz, Bandwidth 5 MHz, Insertion Loss 1 to 2.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-722-723-728-729-40-3 can be seen below.