I'm in the UK, and have used it in Switzerland aswell...BUT, this article shows someone's slight problems with the 802.11n standard when using an American card in Japan 🙂
I'm in the UK, and have used it in Switzerland aswell...BUT, this article shows someone's slight problems with the 802.11n standard when using an American card in Japan 🙂
Different countries have different channels approved for wi-fi.
Channels 1-11, 36-48, and 149-165 approved for use in the United States and Canada.
Channels 1-14, 36-64 approved for use in Japan
Channels 1-13, 36-140 approved for use in Europe
Channels 1-13, 36-64 approved for use in Australia, Hong Kong and New Zealand