COMMUNICATION DEVICE, ELECTRONIC EQUIPMENT, COMMUNICATION METHOD AND VEHICLE KEY

摘要

A narrow-area IF 74 is connectable to an electronic device. A wide-area IF 72 is connectable to a server apparatus. A version information acquisition unit 80 acquires information regarding the version of software stored in the electronic device. An update data acquisition unit 76 acquires update data from the server apparatus based on the information regarding the version. An update unit 78 outputs the update data to the electronic device. After outputting the update data to the electronic device, the update data acquisition unit 76 acquires the information regarding the version of the software stored in the electronic device.