The WRCT16-815.5-817.5-827.5-829.5-75 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 817.5 to 827.5 MHz, Bandwidth 10 MHz, Insertion Loss 1 to 3 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-815.5-817.5-827.5-829.5-75 can be seen below.