The AFL-14000 from Atlantic Microwave is a Low Pass RF Filter with Frequency DC - 12.6 GHz, Stopband Frequency 16.1 - 19.6 GHz, 3 dB Cutoff Frequency 14 GHz, Insertion Loss 1 dB, Rejection 50 dB at 16.1 - 19.6 GHz. Tags: Module with Connector. More details for AFL-14000 can be seen below.