The WRCA6-800-890-960-1050-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 890 to 960 MHz, Bandwidth 70 MHz, Insertion Loss 0.4 to 0.5 dB, Rejection 50 dB, VSWR 1.33:1. Tags: Module with Connectors, Cavity Filter. More details for WRCA6-800-890-960-1050-50 can be seen below.