M20 Hardware Design
Abbreviation
Description
RC
Mobile Equipment list of Received Calls
SM
SIM phonebook
1.3 Safety caution
The following safety precautions must be observed during all phases of the operation. Usage ,
service or repair of any cellular terminal or mobile incorporating M20 module. Manufactures of
the cellular terminal should send words the following safety information to users and operating
personnel and to incorporate these guidelines into all manuals supplied with the product. If not so,
Quectel does not take on any liability for customer failure to comply with these precautions.
When in a hospital or other health care facility, observe the restrictions about the
use of mobiles. Switch the cellular terminal or mobile off, medical equipment
may be sensitive to not operate normally for RF energy interference.
Switch off the cellular terminal or mobile before boarding an aircraft.
Make sure it being switched off. The operation of wireless appliances in an
aircraft is forbidden to prevent interference with communication systems.
Forget to think much of these instructions may lead to the flight safety or
offend against local legal action, or both.
Do not operate the cellular terminal or mobile in the presence of flammable
gases or fumes. Switch off the cellular terminal when you are near petrol
stations, fuel depots, chemical plants or where blasting operations are in
progress. Operation of any electrical equipment in potentially explosive
atmospheres can constitute a safety hazard.
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.
M20_HD_V1.01
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Quectel
