The MF3A3450F120DCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 3390 to 3510 MHz, Bandwidth 120 MHz, Center Frequency 3450 MHz, Insertion Loss 2 dB, Upper Rejection 20 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF3A3450F120DCA can be seen below.