The WRCT10-2530-2532.5-2537.5-2540-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.5325 to 2.5375 GHz, Bandwidth 5 MHz, Insertion Loss 1.25 to 3 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-2530-2532.5-2537.5-2540-50-2 can be seen below.