Fecha de publicación: 29/03/2018 Fuente: Wipo "IOT" An IoT device for appropriately performing charging even when relaying data from an IoT device and sending same to a base station, wherein the IoT device is provided with a first transmission means for directly transmitting acquired data to the base station, a second transmission means for transmitting data to a nearby device by short-range communication in order for the data to be transmitted to the base station by being relayed by the nearby device, and a third transmission means for transmitting, to the base station, communication cost defrayer information indicating that the communication cost of the data transmitted by being relayed by the nearby device is defrayed by the user of the IoT device.