The WRCJV12-2480-2500-2570-2590-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.5 to 2.57 GHz, Bandwidth 70 MHz, Insertion Loss 1 to 2 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-2480-2500-2570-2590-50-1 can be seen below.