The present invention provides a dual chip signal conversion device, comprising: a carrier, one side surface thereof being provided with at least a first contact and a second contact while the other side surface thereof being provided with at least a third contact and a fourth contact; a first chip disposed at one side surface of the carrier and electrically connected to the second and fourth contacts; a second chip disposed at one side surface of the carrier and electrically connected to the first chip; and an antenna disposed within the carrier and electrically connected to the second chip.