The ATEK864P3 from ATEK MIDAS is a Low Pass RF Filter with Frequency DC to 8 GHz, Stopband Frequency 12.6 to 16 GHz, Insertion Loss 0.8 to 3 dB, Upper Rejection 40 to 50 dB @ 12.6 GHz, 16 GHz, Return Loss -21 to -19 dB. Tags: Surface Mount. More details for ATEK864P3 can be seen below.