The MFBP-00081CH from Marki Microwave is a Band Pass Filter with Frequency 11.98 to 13.91 GHz, Center Frequency 12.91 GHz, Insertion Loss 2.37 dB, Upper Rejection 30 dB, Lower Rejection 30 dB. Tags: Die, MMIC Filter. More details for MFBP-00081CH can be seen below.