The MF4A5450F700DCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 5100 to 5800 MHz, Bandwidth 700 MHz, Center Frequency 5450 MHz, Insertion Loss 2 dB, Upper Rejection 5 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF4A5450F700DCA can be seen below.