The MFLP-00004CH from Marki Microwave is a Low Pass RF Filter with Frequency DC to 15 GHz, Stopband Frequency 20 to 40 GHz, 3 dB Cutoff Frequency 15.2 GHz, Insertion Loss 0.5 dB, Rejection 25 to 44 dB. Tags: Die, MMIC. More details for MFLP-00004CH can be seen below.