The WRCJV6-2570-2590-2600-2620-50-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.59 to 2.6 GHz, Bandwidth 10 MHz, Insertion Loss 0.75 to 1 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV6-2570-2590-2600-2620-50-4 can be seen below.