added on VICS beacon receiver.

VICS means, in Japan, Traffic information system. That provides traffic jam, traffic accident information and so on. Those use 3 media, conventional FM radio station and infrared-ray beacon, radio frequency beacon.

FM radio provides wide area traffic information.

On the other hand, there are the beacons along the roads and high ways. These beacons provide ahead-side real-time traffic information. Some navigation system use this real-time information to reroute for avoiding traffic jammed point.