The WRCT8-891.5-895-900-903.5-60-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 895 to 900 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 WRCT8-891.5-895-900-903.5-60-4 can be seen below.