The WRCT8-875-877.5-882.5-885-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 877.5 to 882.5 MHz, Bandwidth 5 MHz, Insertion Loss 0.6 to 1.25 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-875-877.5-882.5-885-40-2 can be seen below.