The AFL-11000 from Atlantic Microwave is a Low Pass RF Filter with Frequency DC - 9.9 GHz, Stopband Frequency 12.7 - 17.5 GHz, 3 dB Cutoff Frequency 11 GHz, Insertion Loss 1 dB, Rejection 50 dB at 12.7 - 17.5 GHz. Tags: Module with Connector. More details for AFL-11000 can be seen below.