The WRCT10-2645-2650-2660-2665-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.65 to 2.66 GHz, Bandwidth 10 MHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-2645-2650-2660-2665-50-2 can be seen below.