The WRCTF12+9-2398-2400-2483.5-2485.5-30 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.4 to 2.48 GHz, Bandwidth 83.5 MHz, Insertion Loss 2 dB, Rejection 30 dB, Return Loss 14 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for WRCTF12+9-2398-2400-2483.5-2485.5-30 can be seen below.