UniGuard Technology Limited
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www.uniguardgps.com
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7.2 Temperature Monitoring
To monitor temperature inside truck like refrigerator, temperature sensor is needed. We
shall connect temperature sensor with GPS tracker UT04 before delivery to clients.
Message format:
A000000,014,H,L
H,L=0 means to cancel temp. alert.
H means high temperature, for example 25, L means low temperature, for example -20
Command format is: A000000,014,25,-20
7.3 Door Status Monitoring
To monitor door status, door sensor (NC type) is needed. When door is open, GPS
tracker UT04 shall send alarm message to web tracking platform.
Connection: Door sensor is composed of 2 wires.
One side is connected to 12V or 24V DC, the other side is connected with GPS tracker
UT04 Pin8.
