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