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2.3. Data Transfer Technology
The ATM 3G communicator supports the following data transmission technologies:
UMTS/HSPA+;
EDGE/GPRS;
CSD;
SMS.
2.4. Hardware Specifications
ATM has the following hardware specifications:
3G module
— EHS5-E;
Mini USB for setting up and logging the modem operation;
dual SIM card support;
antenna connector
– SMA;
communication connector
– RS232;
power connector
– MicroFit 4;
terminal connector
– 2 GPIO
+ 1 GPO.
2.5. Physical Specifications
ATM has the following physical specifications:
housing dimensions (without connectors)
– max 66 × 83 × 25 mm (L × W × D);
product dimensions (with connectors)
– max 74 × 83 × 25 mm (L × W × D);
weight, maximum
– 120 g;
operation temperatures: -
40°С to +65°С;
storage temperatures: -
50°С to +85°С;
permissible humidity
– the device ensures safe operation at relative humidity of maximum 80% at 25°С.
2.6. Electrical Specifications
Power Supply
Power supply voltage: 7 to 40V (DC)
current consumption when connected to a network, maximum:
at power voltage of +12 V
– 250 mA;
at power voltage of +24 V
– 125 mA.
If set to input, GPIO 2 can work as ADC in current or voltage measurement modes.
