The WRCJV16-2548-2558-2628-2638-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.558 to 2.628 GHz, Bandwidth 70 MHz, Insertion Loss 1 to 3 dB, Rejection 40 dB, VSWR 1.67:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV16-2548-2558-2628-2638-40 can be seen below.