The WRCGV8-859-869-884-894-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 869 to 884 MHz, Bandwidth 15 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-859-869-884-894-40 can be seen below.