GSM Unlocked Mobile Phones are Unlocked GSM Phones which can be used with Any
GSM Wireless Network Anywhere in the World.
The Term Unlocked
is meant for Cellular Phones which have not been subsidized
and Locked by any Wireless Services Provider, therefore, unlocked phones
can work with any GSM Wireless Service anywhere in the World.
a Wireless Platform and the technology that carries the signal back and
forth from the phone to the receiver (Receiving Towers).
Unlocked GSM Phones
will only work on GSM Platform that means that your Wireless Service Provider
has to be a GSM Service Provider. In the USA, T-Mobile, Cingular GSM and
AT&T Digital GSM are the popular companies that use GSM Technology
to provide Wireless Services to their end users.
also called the Smart Card is a small chip that contains your wireless
service account information. You can insert the SIM Card into any unlocked
GSM phone and instantly transfer your phone number and account to the new
phone. If the Phone is locked, it may not accept your SIM Card.
is a Term used for Phones that will work with 900/1800/1900 MHz
Frequency in USA is 1900 MHz.
Australia, Asia and Africa,
the popular frequencies range between 900-1800 MHz.
and the Caribbean's
have a mix of 1900 along with 900/1800 MHz.
A Good source
to check for what frequency Maps in a certain region is the web site
by GSM association. .
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