USB 598 modem - User Guide
Note: More information about CDMA networks is available on the CDMA Development Group web site, www.cdg.org.
Note: Most service providers have coverage maps on their web sites.
Note: The fee for service is usually higher when you are roaming (connecting to a network other than the one belonging to your service provider).
The procedure to configure (activate) your modem is covered in “Activation” on page 23.
The CDMA wireless network
This is the worldwide infrastructure providing the radio coverage that allows you to stay connected. Made up of radio towers and a variety of network switches, routers, and servers, the network is an interconnection of many service providers.
There are CDMA networks that operate in the frequency bands supported by the modem throughout North America and parts of Latin America, Asia, and New Zealand. However, each service provider operates a network that covers a limited geographical area within the overall CDMA coverage area.
Most service providers have “roaming” agreements with other service providers, so that they can offer service outside of the coverage area of their own networks. For example, assuming you live in Vancouver (Canada), and travel frequently to Seattle (United States), you can obtain an account with a Vancouver service provider that has a roaming agreement with a service provider in Seattle. You would then have local service in Vancouver, and roaming service in Seattle.
Care and maintenance of your modem
As with any electronic device, the modem must be handled with care to ensure reliable operation. Follow these guidelines in using and storing the modem:
•The modem should fit easily into your USB slot. Forcing the modem into a slot may damage connector pins.
•When inserting or removing the modem, always grip it by the sides rather than the end.
•Protect the modem from liquids, dust, and excessive heat.
•When not installed in your computer, store the modem in a safe place.
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