The WRCTF12+9-2565.5-2568-2618-2620.5-30 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.568 to 2.618 GHz, Bandwidth 50 MHz, Insertion Loss 2 to 5 dB, Rejection 30 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTF12+9-2565.5-2568-2618-2620.5-30 can be seen below.