The WRCT10-2488.745-2491.125-2492.375-2494.755-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.491125 to 2.492375 GHz, Bandwidth 1.25 MHz, Insertion Loss 1.25 to 1.75 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-2488.745-2491.125-2492.375-2494.755-50 can be seen below.