The MFBP-00023CH from Marki Microwave is a Band Pass Filter with Frequency 25 to 33.30 GHz, Center Frequency 28880 MHz, Insertion Loss 1.54 to 1.7 dB, Upper Rejection 40 to 46 dB, Lower Rejection 40 to 52 dB. Tags: Die, MMIC Filter. More details for MFBP-00023CH can be seen below.