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Document 2131145. Rev 1.0 May.09
Your modem requires an unobstructed view of GPS satellites
(in the sky), and, like any other GPS device, might not perform
well within forested areas or near tall buildings.
Depending on your account, you may be charged for each
position fix or after you have performed a certain number of
fixes. For details, contact your service provider.
Depending on the mechanism that the network and your
modem use to obtain location information, GPS may not be
supported:
•
If Network Mode is set to "EVDO Only"
•
If youʹre roaming
•
If you do not have network coverage
•
Due to other reasons.
If you're having problems using GPS, contact your service
provider.
CDMA 3G services
The modem operates over a type of wireless network called
CDMA
(Code Division Multiple Access).
CDMA 3G technology provides a variety of connectivity
features, depending on your service provider and account:
•
1x‐EVDO Rev. A supports Internet connections with data
rates up to 3.1 Mbps (downlink from the network) and
1.8 Mbps (uplink to the network). Average data rates are
450‐800 Kbps (downlink from the network) and
300‐400 Kbps (uplink to the network). Actual speed
depends on the network conditions.
•
1x‐EVDO Rev. 0 supports Internet connections with data
rates up to 2.4 Mbps (downlink from the network) and
153 Kbps (uplink to the network). Average data rates are
400‐700 Kbps (downlink from the network) and
40‐80 Kbps (uplink to the network). Actual speed depends
on the network conditions.
•
1X supports Internet connections with data rates up to
153 Kbps. Actual speed depends on the network condi‐
tions.
Once the connection is established, you can open your browser
and connect to any web site that is accessible through the
Internet, or access other Internet services (such as e‐mail).
The connection is "active" when data transmission is
occurring. If data transmission stops for a period of time
(determined by the network), the connection becomes
dormant.
Introducing the AirCard 402 modem
9
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