The WRCT5-855-857.5-860.5-863-30 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 857.5 to 860.5 MHz, Bandwidth 3 MHz, Insertion Loss 0.5 to 1 dB, Rejection 30 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT5-855-857.5-860.5-863-30 can be seen below.