Connections
User’s Manual 189
In order to use a WWAN Connection you have to install a SIM Card
(see “Install the SIM Card” on page -24).
NOTE
You can use the WWAN radio for simultaneous voice and
data communication on a UMTS (3G) network only. On a
GSM network, if you want to communicate over the phone
(voice), you cannot send data. If you want to send data,
you cannot use the phone.
NOTE
Area coverage and 3G performance may vary, due to
environmental conditions, access point types or
interference caused by other devices (microwave ovens,
radio transmitters, etc.).
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