The WRCGV5-836.5-851.5-866.5-881.5-30 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 851.5 to 866.5 MHz, Bandwidth 15 MHz, Insertion Loss 0.5 to 0.6 dB, Rejection 30 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-836.5-851.5-866.5-881.5-30 can be seen below.