The MFBP-00054CH from Marki Microwave is a Band Pass Filter with Frequency 11.06 to 16.96 GHz, Center Frequency 13700 MHz, Insertion Loss 1.43 dB, Return Loss 28.64 dB, Operating_Temperature -55 to 100 Degree C. Tags: Die, MMIC Filter. More details for MFBP-00054CH can be seen below.