VT -103 GPS Vehicle Tracker
Solution B
UVI Group Corporation Limited
11C, HaiYue Building, HuiJing Garden,
Nanshan Technology Park, Shenzhen, China
Tel: +86-755-83315079 Mobile: +86-1860-7550 6905
E-mail: kc@uvigroup.com.cn Website: www.uvi-group.com
GSM/GPRS/GPS Vehicle Tracker
GPS-VT103 User Manual
Thank you for purchasing the tracker. This manual shows how to operate the device smoothly and correctly.
Make sure to read this manual carefully before using this product. Please note that specification and
information are subject to changes without prior notice in this manual.
Any change will be integrated in the latest release. The manufacturer assumes no responsibility for any errors
or omissions in this document.
Preface
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GPS-VT 103 GPS Vehicle Tracker
1. Function Introduction
This tracker is a new product based on the GSM / GPRS network and GPS satellite positioning
system, which set multiple functions of security, positioning, monitoring surveillance, emergency
alarms and tracking in its entirety. It can track and monitor remote target by SMS or internet.
Features
Support both GPS / GSM station positioning ways.
Support SMS/GPRS/Internet Network data transmission (GPRS/Internet instructions in CD
enclosed）
Support GPRS on-line and GPRS re-connected automatically if GPRS drops
Support SMS / GPRS dual-mode switching
Support configuration by remote terminal.
Support for point-to-point, point to group, group-to-group monitoring.
Set multiple functions of security, positioning, monitoring surveillance, emergency alarms and
tracking in its entirety.
2. Applications
Used widely for vehicle and other moving objects tracking.
3. Hardware Description
①. GSM Antenna jack ⑥. Sensor jack
②. SIM card slot ⑦. External Connection jack
③. SIM card slot Pop-up switch ⑧. Power/GSM/GPS LED indicator
④. Monitor jack ⑨. Backup battery switch
⑤. GPS Antenna jack ⑩. Remote control receiver antenna (Only for model B）
4. Accessories List
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GPS-VT 103 GPS Vehicle Tracker
NO.
PHOTOES
NAME
NOTE
1
GPS Antenna
3 meters
2
GSM Antenna
3 meters
3
Microphone
1.5 meters
4
Harness
10PIN
5
Relay
12V/40A to 24V/40A
according to vehicle model
6
Option
7
Siren
Optional
8
Remote control
Optional
Content
Specifications
DIM.
83*54*26mm
Weight
120g
Network
GSM/GPRS
Band
850/900/1800/1900Mhz or 900/1800/1900Mhz
GSM/GPRS
Module
Simcom300d or Simcom340d
GPS Module
SIRF3 chip
GPS Sensitivity
-159dBm
GPS Accuracy
5m
Shake sensor
NOTE: No.6, 7 and 8 are optional. They need extra cost.
5．Specifications
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GPS-VT 103 GPS Vehicle Tracker
GPS Start time
Cold status 45s
Warm status 35s
Hot status 1s
Voltage of car
power system
12 V -24V
Backup battery
Chargeable changeable 3.7V 800mAh Li-ion battery
Storage Temp.
-40°C to +85°C
Operation Temp.
-20°C to +65°C
Humidity
5%--95% non-condensing
6. Operating Instructions
6.1 Terminal Installation
6.1.1 Please ask the qualified engineers to install it.
6.1.2 Do not install it in a environment which is more than GSM performance, And please pay attention
to fix the antennas in a exactly position with good signals.
6.1.3 Pay attention to make installation location preventing water and dust.
6.1.4 Find the 10 PIN harness and insert it into the corresponding holes of the products, and connect the
wires with the original car circuit showing below:
Wiring diagram
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GPS-VT 103 GPS Vehicle Tracker
6.1.5 Note: The orange wire can be connected to the original car alarm horn; it can also be connected to
the siren you buy with the tracker. (Siren is Option)
6.1.6 Find out the type of the door trigger is positive or negative trigger. Please connect the green wire
to the door control circuit if it is positive, and connect blue wire if it is negative.
6.1.7 Please install the Reset button and SOS button on the place driver can touch.
6.1.8 Insert the shake sensor plug into the sensor jack. (Shake sensor is Option)
6.1.9 Insert the external monitor Microphone into the monitor jack.
6.1.10 Connected the GPS and GSM antenna to the right jack, and find a appropriate place and fix the
antennas to make sure it receive signals very well.
6.2 SIM CARD Installations
6.2.1 Use a tweezers or a sharp thing to touch the SIM CARD popup switch, the SIM CARD slot will
pop up, take out the SIM card slot and put SIM card in it. And then put the SIM card slot back to its
original position after confirm the SIM card in the right place.
6.2.2 Please make sure that the SIM card is able to execute the function of incoming calls display, no
calls can be diverted and the PIN code is locked. The SMS format must be TXT format, and can’t
recognize the PDU format.
6.3 Turn on the Tracker Device.
Connect the positive and negative wire, red and black ones, with 12V or 24V car power system, wait for 1
minute after connecting power to wait tracker works normal, and then turn on the backup battery switch.
6.4 GSM/GPS LED Indicator
6.4.1 Red LED indicator on: No GSM network signals.
6.4.2 Red LED indicator flashes fast (one time each second): GSM Network signal is normally, and
tracker works under GSM mode.
6.4.3 Red LED indicator flashes slowly (one time each three second): Tracker works under GPRS
mode.
6.4.4 Green LED indicator on: GPS signal is normal.
6.4.5 Green LED indicator off: No GPS signals.
6.5 Initialization
Send SMS “begin+password” to the unit, it will reply “begin OK” and initialize all the settings to
default factory settings.（default password: 123456）
For example: send SMS “begin123456”, it will reply “begin ok”. (No quotation marks” ” when sending
all the SMS)
6.6 Change Password
6.6.1 Send SMS “ password+old password+space+new password” to the unit to change the password.
For example: send SMS “password123456 888888” to the unit. If succeeded, “password OK” will
reply to your cell phone from the device tracker.
6.6.2 Be sure to keep the new password in mind, you have to upload the software to restore the original
setting in case of losing the new password.
6.63 Attention: Make sure the new password is in 6 digits, or else the tracker cannot recognize the
password.
6.6.4 The “+” in the command, please don’t type “+”, space means press the space keyboard on
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GPS-VT 103 GPS Vehicle Tracker
your cell phone.
6.7 Authorization
There are 5 numbers to be allowed to authorize in the tracker at most.
6.7.1 Call and track the tracker device for 10 times from cell phone in success, it will make the cell
phone number as the authorized number automatically, and reply “add master ok”.
6.7.2 Authorization: Send SMS “admin+password+space+cell phone number” to set up an authorized
number, the other authorized numbers should be set by the first authorized number, if the number is
successfully authorized, the unit will reply” admin OK” by SMS.
6.7.3 Delete authorization: Send SMS” noadmin+password+space+authorized number” to delete the
authorized number.
6.7.4 If you want to track the target tracker device when it enters into another country, you must add the
country code before the cell phone number, for example, send SMS” admin123456 008613322221111”
to the device. Note: 13322221111 will be set up as the authorized number.
6.8 Single Locating
6.8.1 Any number call the tracker device, it will reply a SMS including the position of latitude and
longitude if don’t set up the authorized number. If authorized number has set successfully, the device
won’t reply SMS including the positioning of latitude and longitude when the unauthorized number
dials up it.
6.8.2 Dialing the tracker device from the authorized number, it will hang up your calling and respond to
a real-time latitude and longitude information as following:
6.8.3 When GPS signals lost, The SMS including the position of latitude and longitude is the
positioning that the tracker received GPS signals at last. It is different with its exact current location, so
you should pay attention to the time included in the SMS you got.
6.9 Successive Locating Automatically
6.9.1 Send SMS command “fix030s005n +password” to the tracker device, it will report the Geo-info
at 30s intervals for 5 times. (s:second, m:minute, h:hour). This command set must be in 3 digits and the
maximum value is 255.
6.9.2 Send SMS “fix030s***n+password” to the tracker device, it will reply the Geo-info continuously
at 30 seconds intervals.
6.9.3 Cancellation: Send SMS “nofix+password” to the tracker device to cancel the “auto track”.
Note: the interval must not less than 20s.
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GPS-VT 103 GPS Vehicle Tracker
6.10 Get location in real street/address name
6.10.1 You must set up the APN of your local GSM network for the SIM card in tracker first before
using this function. (Please refer to 6.27 to configure the APN).
6.10.2 After configure the APN, send SMS “address+password” to tracker device, it will reply SMS
including real street/address name. For example: No.113, Nantou Guankou 2nd Rd. Nanshan, district,
Shenzhen, Guangdong, china.
6.11 Monitor
In this mode, the user can dial up the tracker device to monitor the voice (please refer to 6.12 for
instruction).
6.12 Modes switch between “track” & “monitor”
6.12.1 The default mode is “track” (track mode).
6.12.2 Send SMS command "monitor+password" to tracker device of vehicle terminal, it will reply
"monitor ok!" and switch to “monitor” mode.
6.12. 3 Send SMS command "tracker+password" to tracker device of vehicle terminal, It will return
"tracker ok!" and restore to “track” mode.
6.13. Alarms
6.13.1 LOW BATTERY ALARM
When the voltage of the tracker device is near 3.6V, it will send SMS “low battery+lat./long information
to the authorized number in 3 minutes interval.
6.13.2 POWER OFF ALARM
When the power be cut off or the voltage is 0V, the tracker device will send SMS “power alarm+lat./long.
to the authorized number in 3 minutes interval.
6.13.3 SOS
Long Press the SOS button for 3 seconds, the tracker device will send SMS “help me!+lat./long. to all the
authorized numbers in 3 minutes interval. It will stop sending SMS “help me” when received a reply from
any one of the authorized numbers.
6.13.4 GEO-FENCE
Set up a geo-fence for the tracker device to restrict its movements within a district. The unit will send
SMS to the authorized numbers when it goes out of this district.
Set up: When the unit stays immobile in a place for 3-10 minutes, the user can send SMS
“stockade+password+space+latitude,longitude;latitude,longitude” to unit to set the restricted district. In
case of breach, it will send SMS “stockade!+geo-info” to the authorized numbers.
Remark: The first latitude & longitude is coordinate of the top left corner of the Geo-fence, while the
second latitude & longitude is the coordinate of the bottom right corner, it will alarm in 3 minutes
interval.
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GPS-VT 103 GPS Vehicle Tracker
Cancel: Send SMS “nostockade+password” to deactivate this function.
6.13.5 MOVEMENT ALARM
Set up: when the unit stays immobile in a place for 3-10 minutes, the user can send SMS
“move+password” to the tracker device. It will reply “move OK”. In case of such a movement (the
default distance is 200m), it will send SMS “Move” along with a Geo-info to the authorized numbers, it
will alarm in 3 minute interval.
Cancel: Send SMS “nomove+password” to deactivate the movement alarm.
6.13.6 OVERSPEED ALARM
Set up: Send SMS “speed+password+space+080” to the unit(suppose the speed is 80km/h),and it will
reply “speed OK!”.When the target moves exceeding 80km/h.the unit will send SMS
“speed+080!+Geo-info” to the authorized numbers. It will alarm one time in 3m interval.
Cancel: Send SMS “nospeed+password” to deactivate the overspeed alarm.
Remark: It is recommended that the speed alarm is set at not less than 30km/h.For below that rate; it may
cause the excursion of the GPS signal influenced by clouds etc.
6.14 Cut off the Oil and Power System
Send SMS command “stop+password” to the tracker device, it will reply “Stop engine Succeed” to your
cell phone from the tracker device, and stop your car engine as well, at the same time. It will remain the
immobile state until receiving the next SMS command of resuming the oil and power once receiving
SMS command to cut off the oil and power system.
6.15 Resume the Oil and Power System
Send SMS command “resume+password” to the unit, It will reply “Resume engine Succeed” and
resume your car engine as well, at the same time. It will remain this state until receiving the next SMS
command to cut off the oil and power system once receiving SMS command to resume the oil and gas
system.
6.16 Arm
6.16.1 Set up arm by SMS
Send SMS command “arm+password” to the tracker device in the vehicle. It will reply “Tracker is
activated” in both armed and disarmed state, and the SMS command will make the tracker device enter
into armed state if the unit currently disarmed.
User must stop the engine, (that is ACC is lower voltage).Sending SMS “arm+password” when close the
door and left. You will set up arm status fail if the engine is turned on (the ACC is high voltage), it will
reply “set up fail! pls turn off ACC”
6.16.2 Set up arm by remote control (Option, for model B ONLY)
Press “A” button on the remote control, the car enters into armed state and the siren will alarm one time,
no SMS reply.
6.17 Disarm
6.17.1 Disarm by SMS
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GPS-VT 103 GPS Vehicle Tracker
Send SMS command "disarm + password" to the tracker device in the vehicle, It will reply “Tracker is
deactivated” in both armed and disarmed state, and the SMS command will make the tracker device enter
into disarmed state if the unit currently armed.
It won’t alarm if the door is open and sensor is vibrated and the engine is started when deactivated this
arm function.
6.17.2 Disarm by remote control (Option, for model B ONLY)
Press “B” button on the remote control, the car enters into disarm state, and the siren will alarm two times,
no SMS reply.
6.18 Function of Remote Control (Option, for model B ONLY)
ARM Press “A” button for 0.5 second, the siren will alarm one tim.
DISARM Press “B” button for .5 second, the siren will alarm two times.
Silent mode Press “A+B” together for 0.5 second when it is in disarm state, the siren will alarm
three times.
Quit silent mode Press “A+B” together for 0.5 second again when it is in disarm state, the siren
will alarm four times.
Deterrence Long press “A” button for 3 seconds, siren will alarm for 10 seconds, press “A” or
“B” button to quit
6.19. Alarms under Arm State
6.19.1 DOOR ALARM
The unit will send SMS “Door alarm+lat/long” to the authorized number in 3 minutes interval when the
door of the car opens in arm status; Siren will alarm for 30 seconds in every 1 minute interval, send
“disarm+password” to stop it.
6.19.2 SENSOR ALARM
The unit will send SMS “Sensor alarm+lat/long” to the authorized number in 3 minutes interval when the
sensor is triggered in arm status; Siren will alarm for 30 seconds in every 1 minute interval, send
“disarm+password” to stop it.
6.19.3 ACC ALARM
The unit will send SMS “ACC alarm+lat/long” to the authorized number in 3 minute interval when the
engine of the car is turned on, that is the key is rotated to ACC.ON position to start the car in arm state;
Siren will alarm for 30 seconds in every 1 minute interval, send “disarm+password” to stop it.
6.20. Silent Mode
6.20.1 Set up silent mode by SMS
Send SMS “silent+password” to tracker device, it will reply “silent ok!”.It means tracker device
enters into silent mode, siren won’t alarm after alarm is triggered, but tracker will send alarm SMS
to authorized number.
Quit silent mode send SMS “loud+password” to tracker device, it will reply “loud ok!”. It
means tracker quit from silent mode, siren will alarm after alarm is triggered, and it will also
send SMS alarm to authorized number.
6.20.2 Set up silent mode by remote control (Option, for model B ONLY)
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GPS-VT 103 GPS Vehicle Tracker
Silent mode Press “A+B” together in disarm state for 0.5 second, the siren will alarm three time, siren won’t
alarm after alarm is triggered, but tracker will send alarm SMS to authorized number.
Quite silent mode Press “A+B” together in disarm state for 0.5 second again, siren will alarm four times. Siren
will alarm after alarm is triggered. And tracker will also send SMS alarm to authorized number.
6.21. No GSM Network Alarm
When the car is in the place without GSM network service, siren will alarm under non-silent mode if
alarm is triggered(door, sensor, ACC), but no SMS alarm will send to authorized number.
6.22 Check the Vehicle State.
Send SMS command “check+password” to the tracker device in the vehicle, It will reply the status of
the power, battery, GPS, ACC, door, GSM signal to the authorized number. For example: Send SMS
“check123456” to the tracker device in the vehicle, It will reply following SMS.
Power: ON
Battery: HIGH
GPS: OK
ACC: Off
Door: Off
GSM Signal: 1-32(performance). Note: The higher digit it shows; the stronger of GSM signals it
receives.
6.23 Tracker’s Hardware Resetting
6.23.1 SMS Reset
Send SMS “reset+password” to tracker device to reset the GSM module and GPS module of the tracker
device, it will reply “reset ok”.
6.23.2 Reset Button Resetting
Press the reset button for 1 second, hardware of tracker device will reset.
6.24 IMEI Checking
Send SMS command "imei+password" to the unit. E.g. Send SMS command "imei123456" to the
tracker device, an IMEI number in 15 digits will reply to your cell phone.
6.25 Time Setting
6.25.1 Send SMS command “time+space+zone123456+space+time” to the tracker unit, If succeed, It
will reply “time OK”
6.25.2 For example: Send SMS “time zone123456 8”, 8 is Chinese time zone, If your country time
zone is minus, send SMS “time zone123456 -8”.
6.26 GPRS Setting
User must send SMS via cell phone to set up APN, IP and port before starting tracking by GPRS.
6.27 Setting up APN
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GPS-VT 103 GPS Vehicle Tracker
6.27.1 APN standards for Access Point Name and differs from country to country. For more
information about your local APN, please inquire with your local GPRS network operator.
6.27.2 Text the tracker a SMS “APN123456 + Space + your local APN” via a cell phone and if
succeeded, the tracker will return the message “APN OK”.
6.27.3 E.g. Send SMS command “APN123456 CMNET”. If succeeded, “APN OK” is returned by the
tracker in SMS.
Notes: 123456 refer to password and CMNET is the APN of one of china GPRS Network Operator
(China mobile).
6.28 GPRS User Name and password Setup
6.28.1 In most countries, the user name and password involving GPRS login are not compulsorily
necessary, therefore, the entry can be skipped. For those countries requiring user name and password,
please configure as below:
6.28.2 Send SMS “up+123456+space+user+space+password”If succeeded, “user, password ok!” is
returned by the tracker in SMS.
For example, you can send SMS “up123456 wap wap2” to the tracker, and if succeeded, the tracker
returns “user, password OK”
Note:
123456 is user's password
APN User: wap
APN Pass: wap2
6.29 IP and Port Setup
6.29.1. Send SMS as below via a cell phone: adminip + 123456 + Space + IP Address + Space + Port
Number. If succeeded, “adminip OK” is returned by the device in SMS.
6.29.2 E.g. Send SMS command “adminip123456 202.104.150.75 9000” to the tracker device, If succeeded,
“adminip OK” is returned by the device in SMS. ( 123456 is default password，202.104.150.75 is IP，
9000 is port).
Note: you do not need to change IP and port if you use our server.
6.30. Modes Switch between “SMS” and “GPRS”
6.30.1 The default mode is “SMS”
6.30.2 Send SMS “GPRS+password” to the unit, and it will reply “GPRS ok!” it means tracker
device has switched to “GPRS” mode.
6.30.3 Send SMS “SMS+password” to the unit, it will reply “SMS ok!” and restore to “SMS” mode.
Online GPS Tracking Platform:
If you want to track your GPS Trackers with our Web Server, you need to pay us USD15 for 1 year tracking
for each tracker (This cost will change with marketing. We will not inform when the price is changed)
Steps to use our tracking platform
First step: Visit www.gpstrackerxy.com and tap “Register” to get your own account ID and password and
then log in with your account. You may need to input your tracker's IMEI when registering. Every tracker
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GPS-VT 103 GPS Vehicle Tracker
Faults
Solution
Startup Fail
Please check out the power wiring in correct place.
all Fail
Check the GSM antenna connected. Check whether the SIM card in place. Check whether the
normal power supply voltage.
Hang-up Fail
In existence of an authorized number, an unauthorized number dials up the unit. Please
initialize the unit and re-set up the authorized numbers.
Monitor Fail
Check if the authorized number is setup
Location report in
Digits of zeros.
Check out if the GPS external antenna well.
purchasing from us has 10 days free trial on this platform (the date starts from the production of the
tracker)
Second step: Configure your tracker so that it can connect to our server.
If you want to track your trackers with our platform, you have to set APN (APN user/password if it has)
first.
For example, if your SIM Card is supplied by Orange telecom:
APN (Access Point Name): orange
APN User: web
Password: gprs
Now you need to send following SMS commands to your tracker to connect to our server:
The 1st SMS: apn123456 orange
The 2nd SMS: up123456 web gprs (Skip this step if your APN has no user and password)
The 3rd SMS: gprs123456 (this is to activate GPRS mode)
Tips:
1. Our trackers have saved our server's IP and port already. So DO NOT set again
2. Do not send begin123456 again if your tracker is online in the platform. Because this command will
default your track to factory setting (SMS mode)
3. Consult your GSM provider for correct APN, APN user and APN password. Any wrong spelling of
SMS commands will lead to disconnection to our server.
7． Cautions
Please comply with the instructions to extend the unit life:
Keep the unit dry. Any liquid, such as rain, moisture, may destroy or damage the inside circuitry.
Don’t use & store the unit in dusty places.
Don’t put the unit in overheated or over-cooled places.
Handle carefully. Don’t vibrate or shake it violently.
Clear the unit with a piece of dry cloth. Don’t clean in chemicals, detergent.
Don’t paint the unit, this may cause some foreign materials left in between the parts.
Don’t disassemble or refit the unit.
Please read the user manual carefully before installation and operation, learn something more about the voltage range.
Otherwise, it won’t work properly or destroy the product.
8． Trouble shooting
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Advanced
Common
problems
Causes
Solution
Calls can not go
through
1. SIM Card wrongly installed or GSM
antenna is not fastened
Move to a place with good signal.
2. GSM signal is weak because of your
local GSM coverage is poor
Test again in a place with strong GSM signal. The red
LED should be flashing.
GPS is not
locating
1. GPS is not fix because of bad weather or
under trees or tall buildings or indoor.
Move to an open air where you can see the GREEN color
inside the red flashing LED.
2. Check the installation of GPS antenna
Fasten GPS antenna and put it outside your car or move it
near glasses. Better to put it in dashboard.
3. Metal stuff is covering the GPS antenna
Move away the metal stuff.
No reply after
sending a SMS
command
1. Write a wrong SMS command or wrong
format.
Check the SMS content to make sure it is correct SMS
2. SMS is blacked or traffic jam
Restart the GPS tracker and wait a moment
3. Power off or no GSM signal
Power on and check GSM reception
Can not get SMS
alert when SOS
button is pressed
You do not connect your device with
external power (12—32V)
Connect your device with 12V- 32V DC power or car
battery
You are not authorized number/user
Set your phone number as an authorized phone numbre
Can not get SMS
alert when door
is opened or Car
started
You forget to arm it
Arm it by sending ARM123456
Phone can not
connect to the
network
SIM card installed wrongly
Check the SIM card installation
The sheet mental of SIM card is dusty or
set a wrong APN.
Invalid SIM card
Out of GSM service area
weak signal
Phone can not
charge
Voltage is out of charging range of charger.
Use non-standard charger
Poor contact
Check if the plug is in.
Can not check
address
information
SIM card does not support GPRS function
Please contact the SIM card operator to activate GPRS
Reply “no data, please try again” all the
time
Please contact with your distributors to check APN setting
or GPS signals.
This user is not a specific number
Please set the number as a specific number
GPS-VT 103 GPS Vehicle Tracker
Clean it and try again and set GPRS connection with
correct APN.
Contact your GSM service provider
Move back to the GSM service covered area.
Try again in a strong signal area
Change to the proper voltage
Use charger that come with the package
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