Atlas Copco Air Contact Hardware Manual page 17

Digital Inputs
Parameter
Number
Input Activation
Isolation
EU GSM modem
Parameter
Type
Power Output
SIM interface
Software
Antenna Specification
RF performance
Temperature range
Supply
Battery Charger
Battery Life Time
(*) the worst case happens at high operating temperature
US GSM/GPRS modem
Parameter
Type
Power Output
SIM interface
Software
Antenna Specification
RF performance
Temperature range
Supply
Battery Charger
Battery Life Time
(*) the worst case happens at high operating temperature
Value
4
Connection to digital input ground through free
relay contact
No
Value
E-GSM 900/1800 dual band
2 watt E-GSM 900 MHz
1 watt GSM 1800 MHz
3 Volt only SIM interface, fully compliant with
GSM 11.11 specifications
Fully GSM software Stack
50 Ohms, coaxial cable, SMA connector
Fully compliant with GSM 05.05 specifications
Operating: -20°C to +55°C
Storage: -30°C to +85°C
From a dedicated LI-ION battery
Internal
Typical from 2 to 3 years (*)
Value
GSM/GPRS 850/1900 dual band
2 watt GSM 850 MHz
1 watt GSM 1900 MHz
3 Volt only SIM interface, fully compliant with
GSM 11.11 specifications
Fully GSM or GSM/GPRS software Stack
50 Ohms, coaxial cable, SMA connector
Fully compliant with GSM 05.05 specifications
Operating: -20°C to +55°C
Storage: -30°C to +85°C
From a dedicated LI-ION battery
Internal
Typical from 2 to 3 years (*)
Air Contact Hardware Manual
17