The WRCJV8-2503-2543-2643-2683-35 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.543 to 2.643 GHz, Bandwidth 100 MHz, Insertion Loss 0.75 to 1 dB, Rejection 35 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV8-2503-2543-2643-2683-35 can be seen below.