The WRCJV10-2543-2558-2628-2643-30 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.558 to 2.628 GHz, Bandwidth 70 MHz, Insertion Loss 0.75 to 2 dB, Rejection 30 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV10-2543-2558-2628-2643-30 can be seen below.