The MFBP-00053CH from Marki Microwave is a Band Pass Filter with Frequency 15.82 to 22.65 GHz, Center Frequency 18930 MHz, Insertion Loss 1.4 dB, Return Loss 24.22 dB, Operating_Temperature -55 to 100 Degree C. Tags: Die, MMIC Filter. More details for MFBP-00053CH can be seen below.