The WRCT16-855.5-856.5-861.5-862.5-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 856.5 to 861.5 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 WRCT16-855.5-856.5-861.5-862.5-40-3 can be seen below.