The MF3A780S45DCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 758 to 803 MHz, Bandwidth 45 MHz, Center Frequency 780.5 MHz, Insertion Loss 2.2 dB, Upper Rejection 15 to 40 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF3A780S45DCA can be seen below.