QTech SMS Lite 4G

SMS Lite 4G– User Guide © 2021 QTech Data Systems Ltd
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Technical Specifications
Note. Specifications are subject to change without notice.
SMS Lite Specification
Item
Parameter
Specification
General
Part Number
PD8640-4G
Dimensions
Approx. 112 x 75 x 25mm (Overall)
4x mounting holes to fit M4 fixture
Weight
255 grams (with supplied antenna)
Temperature
Operating: 0-70 degrees C
Humidity
0 – 90% non-condensing
Ingress Protection
IP20, water contact must be avoided
Power
Input voltage: 12V-24 V DC
Current: 13mA @ 12V DC, 9mA @ 24V DC
Power Connector
2.1mm DC socket, centre positive
I/O
Digital Inputs
3 x signal/ground pairs, switched to ground
Input voltage: 4V max.
Input Current: 4mA
Ground inputs are internally tied to power ground
Digital Outputs
3 x isolated relay output pairs
Output voltage: 32V max.
Output Current: 2A max.
Modem
Antenna
Detachable SMA
Max. Cable length 6m (low loss RG57)
3G Bands (MHz)
B1(2100), B5(850), B8(900)
4G Bands (MHz)
B1(2100), B3(1800), B5(850), B8(900) B28(700)