The WRCA6-918-924-928-934-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 924 to 928 MHz, Bandwidth 4 MHz, Insertion Loss 0.6 to 0.7 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCA6-918-924-928-934-50-1 can be seen below.