The WRCA6-909.5-915.5-919.5-925.5-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 915.5 to 919.5 MHz, Bandwidth 4 MHz, Insertion Loss 0.6 to 0.7 dB, Rejection 50 dB, VSWR 1.33:1. Tags: Module with Connectors, Cavity Filter. More details for WRCA6-909.5-915.5-919.5-925.5-50-2 can be seen below.