The WRCT8-867.5-871.5-881.5-885.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 871.5 to 881.5 MHz, Bandwidth 10 MHz, Insertion Loss 0.6 to 1 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-867.5-871.5-881.5-885.5-40-2 can be seen below.