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• Keep the length of the cable between the device and
the phone less than 10 meters.
• The device is for indoor use only. Do not use the device
outside. Do not connect telephone extensions which
run outside of the building. These can result in lightning
damage to your unit.
Cleaning and Maintaining
• Use an antistatic cloth to clean the device. Do not use
chemical or abrasive cleanser as these could damage
the plastic case. Turn off your device before you clean
it.
• Use the device within the temperature range of -10°C
~ +55°C, and the storage temperature range is -20°C ~
+65°C. The humidity range is 5%~95%.
• Do not use your device during a thunderstorm. Remove
the mains power pack from the wall socket.
• Do not take out your micro-SIM card unnecessarily.
The micro-SIM card may be easily lost or it can be
damaged by static electricity.
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