| 摘要 |
PURPOSE:To provide road side beacon equipment easily installed to a garage of an ordinary house. CONSTITUTION:A road side beacon equipment 1a is installed in a garage 31 of an ordinary home 30. The road side beacon-equipment la emits a signal including various information. The signal is emitted with a transmission output (e.g. -60.3(dBm)) not requiring the approval of opening of a radio station. Thus, the size of the road side beacon equipment 1a is made small and the power consumption is reduced and application and update procedure attended with the opening of a radio station are not required, then the load of a person desiring to open the road side beacon equipment la is relieved. Since the road side beacon equipment is installed easily to a garage of an ordinary home or a factory or the like, the road side beacon equipment is popularized. |
