The WRCT16-833-834-839-840-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 834 to 839 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 WRCT16-833-834-839-840-40-3 can be seen below.