The WRCA6-353.15-353.45-353.55-353.85-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 353.45 to 353.55 MHz, Bandwidth 0.1 MHz, Insertion Loss 0.5 to 3 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCA6-353.15-353.45-353.55-353.85-50 can be seen below.