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AirCard 755 Installation Guide
48
Frequency band selection
The AirCard 755 operates on the 900, 850, 1800, and 1900 MHz
bands. (See 'Supported GSM frequency bands" on page 10 for
more information about frequency bands.) Generally, you need
to select the 1900 MHz band in North America and the 900/
1800 MHz bands outside of North America. Generally, you
need to select the 900 or 1900 MHz band in North America
(depending on your service provider) and the 1800 MHz band
outside of North America. This option is set on the Network
tab of the Options window (TOOLS > Options).
Network selection
Depending on your location, you may be within the coverage
area of several networks. Your ability to obtain service on each
network is dependent on your account.
Your options for network selection are:
automatic—the AirCard automatically selects a network
•
based on your account and network availablility.
•
manual—the AirCard scans the area and displays a list of
detected GSM networks. You can then choose from a list of
available networks.
If you select a network on which you cannot obtain service, the
message, "Failed to register with network" appears. You
should then choose a different network.
This option is set on the Network tab of the Options window
(TOOLS > Options).
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