The WRCTF12+9-2397-2400-2483.5-2486.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.4 to 2.4835 GHz, Bandwidth 83.5 MHz, Insertion Loss 2 to 5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTF12+9-2397-2400-2483.5-2486.5-40-2 can be seen below.