The WRCT10-2587-2590.5-2595.5-2599-60-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.5905 to 2.5955 GHz, Insertion Loss 1.25 to 2.5 dB, Rejection 60 dB, VSWR 1.50:1, Center Frequency 2.593 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-2587-2590.5-2595.5-2599-60-2 can be seen below.