Buffalo WAPM-AG300N Wireless Router Japanese Model WiFi

This router is not for anyone who can't read Japanese. So I don't even know the specifications beyond what is written in English. Here is the Japanese listing on Amazon.co.jp http://www.amazon.co.jp/BUFFALO-Station-%E6%B3%95%E4%BA%BA%E5%90%91%E3%81%9111n-b%E5%88%87%E6%9B%BF%E5%AF%BE%E5%BF%9C%E7%84%A1%E7%B7%9ALAN%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88-WAPM-AG300N/dp/B001LGCCU8%3FSubscriptionId%3D0571BBGTQZ5YYPEDSY02%26tag%3Dkakaku-ce-22%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB001LGCCU8%26me%3dAN1VRQENFRJN5