WIRELESS COMMUNICATION DEVICE AND DRIVING ASSISTANCE DEVICE

A wireless communication device according to the present disclosure is set to be mounted on a vehicle including at least one wheel. The wireless communication device includes an input circuit, and an output circuit. The input circuit is set to connect to a lean angle detection circuit capable of detecting a lean angle of the vehicle with a traveling direction of the vehicle as a rotation axis. The output circuit is configured to repeatedly transmit a wireless signal including at least a position of the vehicle, a speed of the vehicle, and the lean angle of the vehicle at predetermined time intervals.