Originally Posted by HarryT
No, it doesn't use GSM, it uses EVDO which is a technology built on CDMA networks. The wireless facilities are provided solely by the US telecoms operator "Sprint", so it certainly won't work outside the USA.
Just for clarity, while WhiserpNet's EVDO deal is with Sprint, they're not the only EVDO/CDMA provider in the US. Verizon also uses CDMA, in addition to various smaller networks like MetroPCS.