The WRCT16-853.5-855.5-865.5-867.5-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 855.5 to 865.5 MHz, Bandwidth 10 MHz, Insertion Loss 1 to 2 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-853.5-855.5-865.5-867.5-50 can be seen below.