The MFB-3300CH from Marki Microwave is a Band Pass Filter with Frequency 26 to 40 GHz, Center Frequency 32180 MHz, Insertion Loss 1.34 to 3 dB, Upper Rejection 25 to 30 dB, Lower Rejection 40 to 50 dB. Tags: Die, MMIC Filter. More details for MFB-3300CH can be seen below.