User Manual

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GSM (Global System for Mobile Communication)
GSM is the pan-European standard for digital cellular telephone
service. It is also one of the technologies available in the Americas.
GSM was designed for markets to provide the advantage of automatic,
international roaming in multiple countries. The SIM (Subscriber
Identification Module) card is a vital component in GSM operation.
The user can store all relevant data for the phone on a removable
plastic card. The card can be plugged into any GSM compatible phone
and the phone is instantly personalized to the user.
GSM850
GSM850, called GSM, is the most widely used digital network and
now operating in more than 100 countries around the world.
GSM1900
The digital GSM network used in Europe and Asia.
Hands-Free
A feature that permits a driver to use a wireless phone without lifting
or holding the handset - an important safety feature for automobiles,
tractors and most other motorized vehicles.