The WRCT5-917-922-926-931-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 922 to 926 MHz, Bandwidth 4 MHz, Insertion Loss 0.5 to 1 dB, Rejection 50 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT5-917-922-926-931-50-1 can be seen below.