The WRCJV10-2555-2570-2620-2635-30-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.57 to 2.62 GHz, Bandwidth 50 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 30 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV10-2555-2570-2620-2635-30-4 can be seen below.