The MFLP-00003CH from Marki Microwave is a Low Pass RF Filter with Frequency DC to 13 GHz, Stopband Frequency 16 to 50 GHz, 3 dB Cutoff Frequency 12.2 GHz, Insertion Loss 0.5 dB, Rejection 30 to 46 dB. Tags: Die, MMIC. More details for MFLP-00003CH can be seen below.