The WRCTF12+9-2495-2500-2570-2575-50-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.5 to 2.57 GHz, Bandwidth 70 MHz, Insertion Loss 2 to 3.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTF12+9-2495-2500-2570-2575-50-3 can be seen below.