The WRCT5-835.7-836.4-836.6-837.3-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 836.4 to 836.6 MHz, Bandwidth 0.2 MHz, Insertion Loss 0.5 to 2.25 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT5-835.7-836.4-836.6-837.3-40-2 can be seen below.