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  • 3G Newsroom: What is 3G?
    http://www.3gnewsroom.com/html/about_3g/what_is_3g.shtml
  • O'Reilly: Unlocking Your Nokia Phone
    http://www.oreillynet.com/pub/wlg/3935
  • The Travel Insider: Global Roaming
    http://www.thetravelinsider.info/2002/1101.htm
  • The Travel Insider: Dual, Tri, or Quad Band GSM Phone?
    http://www.thetravelinsider.info/roadwarriorcontent/quadbandphones.htm
  • The Travel Insider: Unlock Your Cell Phone
    http://www.thetravelinsider.info/roadwarriorcontent/nokiaunlocking.htm