The MF4A3350F100FCD from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 3300 to 3400 MHz, Bandwidth 100 MHz, Center Frequency 3350 MHz, Insertion Loss 3.5 dB, Upper Rejection 30 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF4A3350F100FCD can be seen below.