Provided is a communication device to perform wireless communication through at least one of a first wireless network and a second wires network, wherein a physical layer and a data link layer of an OSI reference model for the first wireless network are compliant with a first wireless communication standard, and those for the second wireless network are compliant with a second communication standard, and wherein the communication device is provided with an identification control unit on the data link layer to identify whether the data received by the physical layer should be transmitted through the first wireless network or the second wireless network on the basis of identification information contained in the data, and to control such that the data is transmitted through the first wireless network or the second wireless network on the basis of the result of the identification.