Shenzhen Coban Electronics Co. Ltd. CB900 用户手册
1.2. Safety Precautions
For your own safety, please follow the safety precautions listed below during all phases of the
operation, usage, service or repair of any cellular terminal or mobile incorporating the CB900
Module. All manufacturers of these cellular terminals or mobile devices are advised to include the
following safety precautions into all manuals provided with their terminal or mobile device, and
pass this information to device users and operating personnel. Failure to comply may be
dangerous or illegal.
Road safety
Do not use a mobile device while driving. Park the vehicle first or use a hand free earphone. It is
illegal in some countries to use a mobile device while driving.
Switch off in aircraft
Cellular terminal or mobile devices can cause interference to aircraft electronics. Using them on
aircraft is both illegal and dangerous.
Switch off when refueling vehicle
Do not use the cellular terminal or mobile device at a refueling station or near fuels or chemicals.
Forbidden Usage
Always switch off your cellular terminal or mobile device where it is forbidden to be used in any
areas like a hospital.
Interference
All cellular terminals or mobile devices may be subjected to radio interference, which could affect
their performance.
Emergency calls
As the GSM/GPRS module is based on GSM standard for radio signals and cellular networks, this
connection cannot be guaranteed at all times under all conditions. It should never be entirely relied
upon for essential communications such as an emergency call.
Note on compliance with international rules and regulations
The CB900 module is a fully certified cellular radio engine. The module has been tested and
certified for compliance to international safety and GSM standard requirements at the modular
level.