The MFB-1600CH from Marki Microwave is a Band Pass Filter with Frequency 12 to 20 GHz, Center Frequency 16000 MHz, Insertion Loss 1.21 to 3 dB, Upper Rejection 20 to 30 dB, Lower Rejection 20 to 45 dB. Tags: Die, MMIC Filter. More details for MFB-1600CH can be seen below.