Westermo GD-01 US - Manual (Page 9)

9 6696-2230
5. Specifications
GD-01 US
Rated voltage 12 – 36 VDC (reverse polarity protected)
Operating voltage 10.8 – 39.6 VDC
Rated current 350/40 mA @ 12 VDC
online mode/ 175/20 mA @ 24 VDC
idle mode 117/17 mA @ 36 VDC
Rated frequency DC
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm 2 (AWG 24-12)
Power interface
GSM services
Circuit Switched Data Asynchronous transparent or non-transparent
up to 14.4 kbit/s
MNP2 error correction and V.42 bis data compression
Fax Fax group 3 (Class 1 and Class 2)
SMS 160 characters text or PDU
Point to point (MT/MO)
Cell broadcast
GPRS GPRS Class 8, Class B
Coding scheme: CS1 to CS4
Communication and service interface, RS-232
Electrical specification RS-232
Data rate 300 bit/s – 115.2 kbit/s
Data format 7 or 8 databits, Odd, Even, None, Mark or Space parity
Connection 9-pin D-sub and 5-pin screw terminal
Circuit type SELV, max 15 m length, shielding not required
Transmission range 15 m
Antenna interface
Frequency GSM850: 824-849 and 869-894 MHz
GSM1900: 1.850 – 1.910 and 1.930 – 1.990 MHz
Connection 50 ohm impedance SMA female antenna connector
SIM interface
3 volts SIM cards supported