The WRCT8-870.875-872.375-873.625-875.125-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 872.375 to 873.625 MHz, Bandwidth 1.25 MHz, Insertion Loss 0.6 to 1.5 dB, Rejection 50 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-870.875-872.375-873.625-875.125-50-2 can be seen below.