The WRCJV12-5120-5150-5250-5280-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 5.15 to 5.25 GHz, Bandwidth 100 MHz, Insertion Loss 2 to 4 dB, Rejection 50 dB, VSWR 1.67:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-5120-5150-5250-5280-50-1 can be seen below.