The WRCT10-2589-2592.5-2597.5-2601-60-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.5925 to 2.5975 GHz, Bandwidth 5 MHz, Insertion Loss 1.25 to 2.5 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-2589-2592.5-2597.5-2601-60-1 can be seen below.