Filed under: Tablet PCs, WirelessWhile the future of the 700MHz band is still up in the air 'round these parts, it seems that Japan has already decided what it'll do with it as it makes its own transition away from analog TV broadcasts. According to Tech-On, Japan's Ministry of Internal Affairs and Communications has deemed it suitable to use the 700MHz band (or 10MHz between 715M-725MHz, specifically) for an "inter-vehicle communications system" that it hopes will reduce accidents by allowing vehicles to communicate with each other (not exactly a