For North American users, please prepare a quad-band phone that support GSM900/1800MHz
frequency. If you plan to use it on Laptop computers, please prepare a USB 3G
modem that support GSM 900/1800 frequency (WAP / GPRS / UMTS / HSDPA). You may
check your phone specs with your phone's user's manual, or
check it online.
(Please note: Do NOT connect to
the web until you successfully purchased the data package,
or you will be charged at a very expensive pay per use rate.)
This SIM support international roaming in multiple countries. The rate is
often cheaper than bring your own SIM from USA/ Canada. Some sample rates when
roaming in Europe areas in below. For more detail, or update information please
O2's official international rate.