SimCom SIM802 HD Manual page 13

SIM802 Hardware Design
Your cellular terminal or mobile receives and transmits radio frequency energy
while switched on. RF interference can occur if it is used close to TV sets,
radios, computers or other electric equipment.
Road safety comes first! Do not use a hand-held cellular terminal or mobile
when driving a vehicle, unless it is securely mounted in a holder for hands free
operation. Before making a call with a hand-held terminal or mobile, park the
vehicle. Road safety comes first! Do not use a hand-held cellular terminal or
GSM cellular terminals or mobiles operate over radio frequency signals and
cellular networks and cannot be guaranteed to connect in all conditions, for
example no mobile fee or a invalid SIM card. While y ou are in this condition
and need emergent help, Please Remember using emergency calls. In order to
make or receive calls, the cellular terminal or mobile must be switched on and
in a service area with adequate cellular signal strength.
Some networks do not allow for emergency call if certain network services or
phone features are in use (e.g. lock functions, fixed dialing etc.). You may have
to deactivate those features before you can make an emergency call.
Also, some networks require that a valid SIM card be properly inserted in the
cellular terminal or mobile.
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12.01.2010