UniGuard LK720 User manual

UniGuard Technology Limited
- - www.uniguardgps.com 1
Relay GPS Vehicle Tracker
User Manual
LK720

UniGuard Technology Limited
- - www.uniguardgps.com 2
1 Product Instructions
LK720 is a mini GPS Tracker in shape of relay, built-in GPS Antenna
and GSM Antenna, Size: 31*31*57 mm, Weight: 29.3g, 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. (Wide working voltage
10V-40V.)

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1.1 Parameters
Item Descriptions
Dimension 31*31*57 mm
Weight 29.3g
GSM Frequency GSM 850/900/1800/1900Mhz
GPS Module Ulbox
GPS Sensitivity -159dBm
GPS Accuracy 5m
Time to first fix
Cold start 35-80s
Warm start 35s
Hot start 1s
Working voltage 10-40V
Battery Built-in 3.7V 80Ma Li-ion battery
Storage Temperature -40°C to +85°C
Working Temperature -20°C to +55°C
Working Humidity 5%--95% non-condensing

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1.2 Installation Figure
Picture 1 Picture 2
Picture 3

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(I) Open the cover, Insert a mini SIM card support GSM/GPRS network
into the slot and make sure the chip side is up.
(II) Connect cable follow above picture.
(III) Set admin number, by sending a SMS command to the SIM card
inside device.
For example: admin123456 +86123********
(IV) Set APN: APN123456 CMNET (please use your local APN instead
of CMNET)

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2 SMS Operation Instruction
Function Command
Format
Reply Delete Example
APN
apn123456 apn apn ok Apn123456
cmnet
apnuser123456
user
apnuser
okay
apnpassword12345
6 pw
apnpassw
d ok
Admin
number
admin123456
number
admin ok noadmin
123456
Time sleep sleep123456 time sleep time
okay
Shock sleep sleep123456 shock sleep
shock ok
No sleep sleep123456 off sleep off
ok
Upload
interval
upload123456 time upload ok upload1234
56 10
Cut oil 555 Cut oil OK Resume
oil
666
Arm&Disar
m
111 or SF Arm delay
in 0s
000 or CF
Position G123456# or where
Restart rst restart ok
Factory
restore
format No reply

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3 GPRS Settings
3.1 Set APN (APN(Access Point NAME))
SMS command: APN123456 apn (The second APN is SIM card APN)
Example : APN123456 CMNET
REPLY : OK ! APN,CMNET
3.2 Set the IP and Port
SMS Command : adminip123456 104.243.132.242 8000
3.3 Set GPRS Interval
When there is vibration, GPRS interval command : upload123456 time
time=10-180, unit is seconds
e.g. upload123456 10
4 GPS tracking system on website
4.1Login www.demogps.com to start web tracking service with your
own account
4.2 Download wechat, register a wechat account, search
GPSCARTRACK and follow, login the system with your own account.