UniGuard UM02 User Manual

UniGuard Technology Limited

- - www.uniguardgps.com

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GPS Mini Vehicle Tracker

User Manual

UM02

UniGuard Technology Limited

- - www.uniguardgps.com

2

1 Product Instructions

It is a mini GPS Tracker, built-in GPS Antenna and GSM Antenna,
Size: 48*60*22mm, Weight: 120g, it can send vehicle location and
status to mobile and Internet. It can track the vehicles remotely.
Tracker the vehicle on the Internet and Mobile. (Usage on big truck or

vehicle will cause burnt of device. Please take proper caution.
Connection of PoFF line to 12V power will burn device.)

UniGuard Technology Limited

- - www.uniguardgps.com

3

1.1 Interface

1、SIM: Port for SIM card
2、LED: Status light
3、DC+ connect to + of battery
ACC connect to Ignition Line
pOff connect to Relay to control Engine of auto
GND connect to – of battery

UniGuard Technology Limited

- - www.uniguardgps.com

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1.2 Installation Figure

Please test after installation. If you don’t need some functions.
Please make sure ACC, DC+, GND installed correctly. Otherwise, the
device cannot work. Please check the device status through signal
light after power on:
 LED flashes for one second which indicates GSM registers

successfully.
 LED flashes three seconds once which indicates GPS is

obtaining orientation
 LED is on which indicates work successfully that GSM has

registered and GPS has obtained the orientation.
 If LED is on 0.1 second then off 0.1 second for more than 3

minutes, please make sure SIM card inserts well. Without SIM

card, the device cannot work.

2 SMS Operation Instruction

SMS Format: A******,cmd,param1,param2…

1. ******is the password, Initial Password is 000000

2. cmd is the command ID.

3. Param is the command parameter. Different cmd use different
parameters. All the parameters must use half-angle symbol. Wrong
SMS format or wrong password, it will not respond.