The WRCGV16-818-827-867-876-83 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 827 to 867 MHz, Bandwidth 40 MHz, Insertion Loss 1.5 to 3 dB, Rejection 83 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV16-818-827-867-876-83 can be seen below.