COMMUNICATION DEVICE, COMMUNICATION METHOD AND COMMUNICATION SYSTEM

摘要

This communication device is provided with a casing, a communication unit and a control unit. The casing is configured to be worn on an organism. The communication unit can switch between a first communication mode for communication according to a first communication schema with a device belonging to a first region, and a second communication mode for communication according to a second communication schema with a device belonging to a second region. The control unit switches between the first communication mode and the second communication mode on the basis of region information, which relates to the region to which the communication unit belongs.