The WRCT8-870.5-874-879-882.5-60-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 874 to 879 MHz, Bandwidth 5 MHz, Insertion Loss 0.6 to 1.25 dB, Rejection 60 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-870.5-874-879-882.5-60-1 can be seen below.