The WRCT16-867-869-884-886-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 869 to 884 MHz, Insertion Loss 1 to 2 dB, Rejection 40 dB, VSWR 1.50:1, Center Frequency 876.5 MHz. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-867-869-884-886-40 can be seen below.