Huawei E620 User Manual page 5

Safety Precautions
Before using the wireless data card, please read the safety precautions
carefully and also let your children know these, so that you can use your
wireless data card correctly and safely. For details, see the section "Warnings
and Precautions".
Do not switch on your wireless data card when it is prohibited to
use wireless device or when the wireless data card may cause
interference or danger.
Do not use your wireless data card while driving.
Follow any rules or regulations in hospitals and health care
facilities. Switch off your wireless data card near medical
apparatus.
Switch off your wireless data card in aircraft. The wireless data
card may cause interference to control signals of the aircraft.
Switch off your wireless data card near high-precision electronic
devices. The wireless data card may affect the performance of
these devices.
Do not attempt to disassemble your wireless data card or its
accessories. Only the qualified personnel is allowed to service or
repair the wireless data card.
Do not place your wireless data card and its accessories in
containers with strong electromagnetic field.
Do not place magnetic storage media near your wireless data
card. Radiation from the wireless data card may erase the
information stored on them.
Do not put your wireless data card in a high-temperature place or
use it in a place with flammable gas such as a gas station.
Keep your wireless data card and its accessories away from
children. Do not allow children to use your wireless data card
without guidance.
Observe any laws or regulations on the use of wireless data cards.
Respect others' privacy and legal rights when using your wireless
data card.