KEYBOARD
23 Plastic Top - Backlit Keys
+ Joystick +
lateral ON/OFF key
OPERATING
TEMPERATURE*
0° to +50 °C / 32 °F to +122
°F
STORAGE
TEMPERATURE
-20° to +70 °C / -4° to +158 °F
HUMIDITY**
10 to 80% non condensing for
temperatures < 38 °C
DROP
RESISTANCE***
1.2 m / 3.9 ft
ENVIROMENTAL
SEALING
IP 54
ESD PROTECTION
4 KV contact discharge, 8 KV
air discharge
* Battery must be charged at a temperature ranging from 0° to +40 °C.
For the GSM models the maximum recommended temperature is +35°C. At higher values the charging may slow down.
Close to the limits of the working temperature, some display and/or battery performance degradation may occur.
When the battery is exhausted, the GSM turns off and it is not working until the battery is charged or changed.
** Multiple rapid humidity and/or temperature variations may cause condensing.
*** Multiple drops can permanently damage the device.
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