The MF3A1732S45DCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1710 to 1755 MHz, Bandwidth 45 MHz, Center Frequency 1732.5 MHz, Insertion Loss 3 dB, Upper Rejection 25 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF3A1732S45DCA can be seen below.