The WRCJV8-2570-2620-2690-2740-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.62 to 2.69 GHz, Bandwidth 70 MHz, Insertion Loss 0.75 to 1 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV8-2570-2620-2690-2740-40-3 can be seen below.