The WRCT8-835.5-836.3-836.7-837.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 836.3 to 836.7 MHz, Bandwidth 0.4 MHz, Insertion Loss 0.6 to 2 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-835.5-836.3-836.7-837.5-40-2 can be seen below.