The WRCJV12-2573-2583-2603-2613-60-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.583 to 2.603 GHz, Bandwidth 20 MHz, Insertion Loss 1 to 2.5 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-2573-2583-2603-2613-60-1 can be seen below.