The MFLP-00002CH from Marki Microwave is a Low Pass RF Filter with Frequency DC to 9 GHz, Stopband Frequency 12 to 40 GHz, 3 dB Cutoff Frequency 9.3 GHz, Insertion Loss 0.5 dB, Rejection 30 to 52 dB. Tags: Die, MMIC. More details for MFLP-00002CH can be seen below.