Radio frequency front-end circuit and satellite navigation system

The utility model discloses a radio frequency front-end circuit and a satellite navigation system. The radio frequency front-end circuit comprises a frequency dividing circuit and a matrix switch, the frequency dividing circuit comprises at least two input ends and at least four output ends, the matrix switch comprises at least four input ends and at least four output ends, the input ends of the frequency dividing circuit are used for being connected with an antenna, and the output ends of the frequency dividing circuit are used for being connected with the antenna. Each output end of the frequency dividing circuit is connected with each input end of the matrix switch; each input end of the matrix switch is correspondingly connected with each output end through a switching device, and the output end of the matrix switch is used for being connected with a receiver chip; wherein a plurality of switch devices in the matrix switch are switched under at least three switch state combinations, so that the receiver c