The MF2A546F8KCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 542 to 550 MHz, Bandwidth 8 MHz, Center Frequency 546 MHz, Insertion Loss 1 to 1.2 dB, Upper Rejection 25 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF2A546F8KCA can be seen below.