The WRCA6-394.15-394.8-395.2-395.85-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 394.8 to 395.2 MHz, Bandwidth 0.4 MHz, Insertion Loss 0.5 to 1.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCA6-394.15-394.8-395.2-395.85-50-1 can be seen below.