MeiTrack GT60 User manual

GPS
Personal
Tracker
User Manual
V7.1
GT60

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Contents
1.Product Overview.................................................................................................................. - 3 -
2.For Your Safety..................................................................................................................... - 3 -
3.GT60 Characteristics ............................................................................................................. - 4 -
4. Getting Started.................................................................................................................... - 4 -
4.1 Hardware and Accessories ............................................................................................. - 4 -
4.2 View ........................................................................................................................... - 5 -
4.3 Functional Parts............................................................................................................ - 5 -
4.4 First Use...................................................................................................................... - 6 -
5. Change Password................................................................................................................. - 7 -
6. Time Zone........................................................................................................................... - 7 -
7. Track .................................................................................................................................. - 7 -
7.1 Track by SMS ............................................................................................................... - 7 -
7.2 Track by Calling ............................................................................................................ - 8 -
7.3 Track by Preset Interval................................................................................................. - 8 -
7.4 Google Earth and Google Map ........................................................................................ - 8 -
7.5 Track by MS01/MS02 .................................................................................................... - 9 -
7.6 Track by GPRS (Meiligao Protocol) between Server and Tracker .......................................... - 9 -
7.6.1 Set Tracker‟s GPRS ID........................................................................................... - 9 -
7.6.2 Set APN .............................................................................................................- 10 -
7.6.3 Set IP and Port ...................................................................................................- 10 -
7.6.4 Set DNS Server IP (optional) ................................................................................- 10 -
7.6.5 Enable GPRS Tracking ..........................................................................................- 10 -
7.6.6 Set GPRS Interval ...............................................................................................- 10 -
7.7 Track by GpsGate ........................................................................................................- 11 -
8. Authorization......................................................................................................................- 11 -
9. Call Function ......................................................................................................................- 11 -
9.1 Receiving Phone Call ....................................................................................................- 11 -
9.2 Making Phone Call .......................................................................................................- 12 -
9.3 Volume Adjustment......................................................................................................- 12 -
10. Speeding Alarm ................................................................................................................- 12 -
11. Movement/Geo-fence.........................................................................................................- 12 -
11.1 Movement Alarm........................................................................................................- 12 -
11.2 Geo-fence Alarm........................................................................................................- 13 -
12. Track by Distance ..............................................................................................................- 13 -
13. Set Sensitivity of Tremble Sensor ........................................................................................- 13 -
14. Listen-in (Voice Monitoring) ................................................................................................- 14 -
15. Heartbeat.........................................................................................................................- 14 -
16. Power Down .....................................................................................................................- 14 -
17. Get IMEI ..........................................................................................................................- 15 -
18. Initialization .....................................................................................................................- 15 -
19. Password Initialization .......................................................................................................- 15 -
20. Parameter Editor ...............................................................................................................- 15 -
21. Copyright and Disclaimer ...................................................................................................- 16 -
Annex 1. SMS Command List ...................................................................................................- 16 -
Annex 2. Troubleshooting ........................................................................................................- 21 -
Contacts ................................................................................................................................- 22 -

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1.Product Overview
The GT60 is a GPS/GPRS based personal tracking device, which is compact and easy to use.
GT60 has inbuilt GPS module to obtain accurate position data. This device utilizes its GSM capability to send
the position data to a specified mobile phone or server base. Thus allowing users to monitor people or pets
using the tracker.
One unique feature of GT60 is the inbuilt microphone and loudspeaker that supports two way voice
communications, similar to a mobile phone. This feature can be activated either by the guardian calling the
tracker or the tracker holder activating the SOS button. The tracker can also be configured to report its
location to the server base or mobile phone at preset intervals.
GT60 has the following functions and features:
SMS and GPRS TCP/UDP Communication (Meiligao Protocol)
AGPS ( with GSM Base Station ID)
Track on demand
Show location directly on mobile phone
Track by time interval
Track by Distance
Two-way audio
Listen-in (voice monitoring)
Inbuilt motion sensor for power saving
SOS panic button
Movement alarm
Geo-fencing control
Low battery alarm
Speeding alarm
GPS blind area alarm
Three buttons for making phone call and/or sending message
2.For Your Safety
Read these simple guidelines. Not following them may be dangerous or illegal.
Switch on safely
Do not switch on GT60 when wireless phone use is prohibited or when it may
cause interference or danger.
Switch off in hospitals
Follow any restrictions. Switch GT60 off near medical equipment.
Switch off in aircraft
Follow any restrictions. Wireless devices can cause interference in aircraft.
Switch off when refueling
Do not use GT60 when at a refueling point. Do not use near fuels or
chemicals.
Switch off near blasting
Follow any restrictions. Do not use GT60 when blasting is in progress.

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Qualified service
Only qualified personnel can repair GT60.
Water resistance
GT60 is not fully water resistant. Keep it dry. Use a waterproof bag if
necessary.
3.GT60 Characteristics
Items
Specification
Charging Voltage
DC 4.2-5.5V/400mA (Mini USB port)
Internal Battery
Rechargeable and removable 950 mAh battery (3.7V)
Dimension
78 mm × 45 mm × 21 mm (14mm)
Weight
70g (with battery)
Operating temperature
-20°to 55°C
Humidity
5% to 95% Non-condensing
GSM module
Quad Band GSM 850/900/1800/1900Mhz
GPS Chipset
latest GPS SIRF-Star III chipset
GPS Sensitivity
-159Db
GPS Frequency
L1, 1575.42 MHz
C/A Code
1.023 MHz chip rate
Channels
20 channel all-in-view tracking
Position Accuracy
10 meters, 2D RMS
Velocity Accuracy
0.1 m/s
Time Accuracy
1 us synchronized to GPS time
Default datum
WGS-84
Reacquisition
0.1 sec., average
Hot start
1 sec., average
Warm start
38 sec., average
Cold start
42 sec., average
Altitude Limit
18,000 meters (60,000 feet) max.
Velocity Limit
515 meters/second (1000 knots) max.
Acceleration Limit
Less than 4g
Jerk Limit
20 m/sec
Work time
50 hours in power-saving mode and 10 hours in normal working mode
LED
3 LEDs to show power, GPS, GSM and other status
Button
3 buttons(SOS/B/C) for making phone calls and sending SMS
4. Getting Started
This section will describe how to set up your GT60.
4.1 Hardware and Accessories
GT60 is supplied in a box which includes:

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GT60
Battery
Wall Charger
Car Charger
USB Cable
CD
4.2 View
Front View
Side View
Back View
4.3 Functional Parts
Your GT60 has four buttons and three LED lights, with three different colors to indicate the status of the unit.
Red LED - indicating battery status
Off
Power is off or charging is complete
Flashing (every 0.1 second)
Low battery
On
Charging
Flashing (1 second on and 2 seconds off)
Working
Blue LED - indicating GPS status
On
One button is being pressed
Flashing ( every 0.1 second)
The unit is being initialized
Flashing (0.1 second on and 2.9 seconds off)
GT60 has a GPS fix
Flashing (1 second on and 2 seconds off)
GT60 has no GPS fix
Green LED - indicating GSM status

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On
A call is coming in / a call is being made
Flashing ( every 0.1 second)
The unit is being initialized
Flashing (0.1 second on and 2.9 seconds off)
GT60 is connected to the GSM network
Flashing (1 second on and 2 seconds off)
GT60 is not connected to the GSM network
Buttons
Power On/Off Button
Press and hold it for 3-5 seconds to turn on/off GT60
SOS Button
To make a phone call and/or send an SMS to the preauthorized phone
number
Press it to receive an incoming call
Press it to increase volume during conversation
Call B
To make a phone call and/or send an SMS to the preauthorized phone
number
Press it to reject a call, cancel calling or complete a conversation
Call C
To make a phone call and/or send an SMS to the preauthorized phone
number
Press it to decrease volume during conversation
Other Connectors
Mini USB
Used for charging, firmware update and configuration on PC. (USB Data
Cable or USB-to-Serial Adaptor is required for firmware update and
configuration)
Lanyard Loop
For connecting lanyard
4.4 First Use
Please read this manual before using your GT60.
4.4.1 Ensure that your GT60 has a working SIM installed.
- Check that the SIM has not run out of credit. (Test the SIM in a
phone to make sure it can send and receive SMS)
- Check that the SIM Lock code is turned off.
- If you require the function of sending an SMS location report to
the authorized phone number when it makes a call to the GT60,
please make sure the SIM installed supports displaying caller ID.
4.4.2 Put the battery in GT60 and charge the tracker for at least 3
hours in power-off status using the wall or car charger. You can also
connect the tracker directly to the computer by USB for charging.
Red light is on during charging and is off when charging is complete.
4.4.3 Press and hold the Power On/Off button for 3-5 seconds to
activate GT60. The device will then enter standby mode. It is
suggested that you that you turn on the device outside of all
buildings to receive a better GPS signal.

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Check that the Red LED (Battery) is flashing 1 second on and 2
seconds off.
Check that the Green LED (GSM) is flashing 0.1 second on and 2.9
seconds off.
Check that the Blue LED (GPS) is flashing 0.1 second on and for 2.9
seconds off.
5. Change Password
Command: W******,001,######
Description: Change user‟s password.
Note:
1. ****** is user‟s password and the default password is 000000. The tracker will only accept commands
from a user with the correct password. Commands with wrong password will be ignored.
2. ###### is the new password. Password should be 6 digits.
Example:
W000000,001,123456
W123456,001,999999
6. Time Zone
Command: W******,032,T
Description: Correct time to your local time
Note:
1. Default time of the tracker is GMT
2. This correction is applied to location reports by SMS and SMS alarms.
T=0, to turn off this function;
T=[-32768,32767] to set time difference in minute to GMT.
For those ahead of GMT, input the time difference in minutes directly.
For example, GMT+8, W000000,032,480 (8 Hours is 480 minutes).
„-„is required for those behind GMT. For example, W000000,032,-120 (2 hours or 120 minutes behind GMT).
Example:
W000000,032,480
W000000,032,-120
7. Track
7.1 Track by SMS
- Track on Demand - Reply with longitude, latitude, speed and date
Command: W******,000

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Description: To get the current location of the tracker, send this command as an SMS or make a telephone
call directly to the tracker. After doing so, the device will report its longitude and latitude by SMS with the
format as follows:
Latitude = 22 32 36.63N Longitude = 114 04 57.37E, Speed = 2.6854Km/h, 2008-12-24,01:50
Example: W000000,000
- Track on Demand - Reply with a link to Google Maps
Command: W******,100
Send this command to the tracker and you will receive an SMS with an http link. Click on the link and the
location will be shown directly on your mobile phone using Google maps. For example:
http://maps.google.com/maps?f=q&hl=en&q=22.540103,114.082329&ie=UTF8&z=16&iwloc=addr&om=1
Note: Only smart phones and PDAs support this function.
Example:
W000000,100
7.2 Track by Calling
Make a missed call to the tracker and it will report its longitude and latitude by SMS with the following
format:
Latitude = 22 32 36.63N Longitude = 114 04 57.37E, Speed = 2.6854Km/h, 2008-12-24,01:50
7.3 Track by Preset Interval
Command: W******,002,XXX
Description: Set an interval for the tracker to continuously report its location by SMS
Note:
1. XXX is the interval in minutes;
2. XXX=000 to turn off tracking by time.
Example:
W000000,002,030
The tracker will send location data back to your mobile phone every 30 minutes.
7.4 Google Earth and Google Map
Download Google Earth from http://earth.google.com/.
Start Google Earth (For more information about Google Earth please refer to http://earth.google.com/) or

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go to http://maps.google.com in your Internet Explorer.
Input the latitude and longitude that you received from the tracker by SMS and click the search button.
Google Earth or Google Maps will display the location for you.
Example:
When you receive: Latitude = 22 32 40.05N Longitude = 114 04 57.74E
Type as the following picture shows:
(Note: you should input the latitude and longitude as: 22 32 40.05N 114 04 57.74E)
And then you can find the location of your tracker:
You can also use local map software on PDA or car navigation device to input the coordinates.
7.5 Track by MS01/MS02
You can also see a physical location on a map with our GPS Tracking Software MS01 or MS02.
This software is available for purchase and can be used for tracking after proper configuration.
Please refer to MS01/MS02 User Guide for more information.
7.6 Track by GPRS (Meiligao Protocol) between Server and Tracker
7.6.1 Set Tracker’s GPRS ID
Command: W******,010,ID
Description: Set a digital GPRS ID for the tracker.
Note: GPRS ID must not be over 14 digits.

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Example:
W000000,010,00001
7.6.2 Set APN
Command: W******,011,APN,Username,Password
Description: Set APN details for the tracker
Note:
1. APN username and password are optional. If no APN username and password are required, input APN
only;
2. APN defaulted as „CMNET‟;
3. APN + username + password should not over 39 characters.
Example:
W000000,011,CMNET,Meiligao,6688
W000000,011,CMNET
7.6.3 Set IP and Port
Command: W******,012,IP,Port
Description: Set the IP and Port of tracker for GPRS communication.
Note:
1. IP is your server‟s IP or the domain name.
2. Port: [1,65534].
Example:
W000000,012, 220.121.7.89,8500
W000000,012,www.meiligao.net,8500
7.6.4 Set DNS Server IP (optional)
Command: W******,009,DNS Server IP
Description: If the domain name you set by the last command (W******,012,IP, Port) doesn‟t work, your
servers IP is not properly set. You can first use this command to set DNS Server IP (please check with your
DNS server provider for the DNS Server IP) and then redo the command W******,012,IP, Port.
Example: W000000,009,220.23.4.90
7.6.5 Enable GPRS Tracking
Command: W******,013,X
Description: Enable GPRS tracking function.
Note:
X=0, to turn off GPRS tracking (default);
X=1, to enable GPRS tracking via TCP;
X=2, to enable GPRS tracking via UDP.
Example: W000000,013,1
7.6.6 Set GPRS Interval
Command: W******,014,XXXXX
Description: Set time interval for sending GPRS packets.

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Note:
XXXXX should be in five digits and in unit of 10 seconds.
XXXXX=00000, to turn off this function;
XXXXX=00001~65535, time interval for sending GPRS packet and in unit of 10 seconds.
Example: W000000,014,00060
In this example, the tracker will send every 600 seconds (10 minutes).
For more information regarding GPRS tracking please refer to <GPRS Communication Protocol>
7.7 Track by GpsGate
The GT60 supports GpsGate Software.
Please contact our company or GpsGate for more information for settings.
8. Authorization
Command: W******,003,F,P,T1 or W******,003,F,P,T1,T2 (optional)
Description: Authorize phone numbers for the buttons/inputs, receiving location reports, SMS alarms or
phone calls
Note:
F=0, to turn off this function; (default)
F=1, only sends SMS to the authorized phone number;
F=2, only calls the authorized phone number;
F=3, both SMS and calling.
P=1, set an authorized number for SOS button (Input 1);
P=2, set an authorized number for B button (Input 2);
P=3, set an authorized number for C button (Input 3).
T1: Preset phone number. Max.16 digits.
If you need to set different numbers for receiving SMS and phone call, you can use W******,003,F,P,T1,T2,
In this case T1 is the phone number for receiving SMS and T2 for receiving phone calls.
Example:
W000000,003,3,1,88888888
W000000,003,3,1,88888888,99999999
9. Call Function
With GT60‟s inbuilt loudspeaker and microphone, you can use GT60 to make or receive phone calls.
9.1 Receiving Phone Call
Use your phone or mobile phone to call the tracker. When the tracker is receiving a call, the green LED light
will be on. Press SOS button to receive the incoming call or press Call B button to reject the call.

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9.2 Making Phone Call
After you have authorized phone numbers for SOS/Call B/Call C button, you can press any of these buttons
to make a call to the preset phone number.
Press Call B button to cancel a calling or to end a conversation.
9.3 Volume Adjustment
During a conversation, press SOS button to increase the volume or press Call C button to decrease the
volume.
10. Speeding Alarm
Command: W******,005,XX
Description: Turn on speeding alarm. When the tracker speeds higher than the preset value, it will send an
SMS to the authorized phone number for SOS.
Note: XX is the preset value of speed and in 2 digits.
=00 , to turn off this function;
=[01, 20] (unit: 10Km/h).
Example: W000000,005,08
When the tracker‟s speed is over 80km/h, an SMS alarm will be sent out.
11. Movement/Geo-fence
11.1 Movement Alarm
Command: W******,006,X
Description: When the tracker moves out of a preset circle scope, it will send an SMS alarm to the
authorized phone number for SOS.
Note:
1. X is the preset radii to the tracker‟s original place
=0, to turn off this function;
=1, 30m
=2, 50m
=3, 100m
=4, 200m
=5, 300m
=6, 500m
=7, 1000m
=8, 2000m
2. Radii: [1, 4294967295] meter(s), suggest to be set above 100 meters;
3. GPRS command is 0x12
Example: W000000,006,1

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When tracker moves out of this circle scope, it will send out an SMS alarm.
11.2 Geo-fence Alarm
Command: W******,302,X
Description: Turns on Geo-fencing alarm. When the tracker moves in/out the preset scope, it will send an
SMS alarm to the authorized phone number for SOS.
Note:
1. X is the parameters which includes: latitude, longitude, radii, in, out.
2. Latitude and longitudes should be in ASCII format as follows:
Latitude is ddd.dddddd, „0‟ is needed to be stuffed if no value available. „-‟should be added for south.
Longitude is dd.dddddd, „0‟ is needed to be stuffed if no value available. „-‟should be added for west.
3. Radii: [1, 4294967295] meter(s), suggested to be set above 100 meters, if set above 8, it is
corresponding radii.
4. If In and Out are 0, corresponding function is invalid. If In and Out are 1, valid.
5. Reply as Geo-Fence Alarm.
6. GPRS exiting command is 0x12, entering command is 0x13.
7. Send W******, 302 to turn off Geo-fence function.
Example:
W000000,302,22.000000,-114.123456,3000,1,1
Remarks:
1. Only one alarm can be set in either In or Out;
2. Only one alarm can be set in either Movement Alarm or Geo-fence Alarm.
12. Track by Distance
Command: W******,303,X
Description: Send this command to set distance interval
Note:
1. X= [1, 4294967295], suggested to be set above 300 meters;
2. X=0, turn off
Example: W000000,303,1000
13. Set Sensitivity of Tremble Sensor
Command: W******,035,XX
Description: Send this command to set sensitivity of tremble sensor

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Note:
1. XX=[1,255], it will be more sensitive if XX is smaller;
2. Default value is 30
Example: W000000,035,30
14. Listen-in (Voice Monitoring)
Command: W******,030,T
Description: Authorize a phone number to make a silent call to the tracker. The tracker answers the call
automatically and allows the caller to listen to what is happening around the tracker. With this feature, there
is no voice indication that the call is in progress.
Note:
1. T is the telephone number for wiretapping with a max. of 16 digits.
2. Calls from unauthorized number are treated as normal incoming calls and indicated by beeps.
Example:
W000000,030,88888888
15. Heartbeat
Command: W******,015,data
Description: Set an interval for heartbeat.
Note:
data is the interval in unit of minutes
data=0, to turn off this function;
data=1~65535, set interval for heartbeat.
Example:
W000000,015,10
In this example, the tracker will send heartbeat every 10 minutes.
16. Power Down
Command: W******,026,XX
Description: This command puts the tracker in power down mode when it is inactive or immobile for a
period of time. In Power Down mode, GPS stops working while GSM enters sleep mode and stops sending out
messages. The device remains in this mode until it is activated by message, incoming calls, movement, or
triggered by three buttons.
Note:
XX=00, to turn off this function;
XX=01~99, to turn on Power Down after a specified period of being inactive (or stationary). It is in unit of
minutes.
Example: W000000,026,10
The tracker will enter power down mode after it is inactive (or stationary) for 10 minutes.

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17. Get IMEI
Command: W******,601
Description: Get IMEI of the tracker. IMEI is 15 digits
Example: W000000,601
18. Initialization
Command: W******,990,099###
Description: This sets all settings (except for the password) back to factory default.
Note: Send SMS “Default?”to the device. Within 120 seconds, send this SMS command to the tracker.
### is the ending character and is required in the text message.
Example: W000000,990,099###
19. Password Initialization
Command: W888888,999,666
Description: This resets the password back to factory default and can be used in case you forget your
password.
Note: Send SMS “Default?”to the device, and then, within 120 seconds, send this SMS command to the
tracker to set the password back to factory default (000000).
If you have set an authorized telephone number, when the password has been successfully preset the
telephone will receive W888888,999,666
Example: W888888,999,666
For more details regarding SMS commands, please go to Annex 1 Command List.
20. Parameter Editor
The tracker can also be configured by computer using the Parameter Editor. This method is much easier and
user friendly.

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Please refer to Meitrack Parameter Editor for more information.
21. Copyright and Disclaimer
© Shenzhen Meiligao Electronics Co., Ltd. All rights reserved.
The information contained herein may be changed at any time without prior notification. This manual nor
any parts thereof may not be reproduced for any purpose whatsoever without written consent of Meiligao, or
transmitted in any form either electronically or mechanically, including photocopying and recording.
In no event shall Meiligao be liable for direct, indirect, special, incidental, or consequential damages
(including but not limited to economic loss, such as loss of profits, loss of use of profits, loss of business or
business interruption, loss of revenue, loss of goodwill or loss of anticipated savings) arising out of the use
or inability to use the product or documentation, even if advised of the possibility of such damages.
Annex 1. SMS Command List
Note: ****** is user‟s password and the default password is 000000. The tracker will only accept
commands from a user with the correct password. Commands with wrong password will be ignored.
Description
SMS Command
Example
Track on Demand
W******,000
W000000,000
Remarks: To get the current location of the tracker, send this command as an SMS or make a telephone call directly to the
tracker. After doing so, the device will report its longitude and latitude by SMS with the format as follows:

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Latitude = 22 32 36.63N Longitude = 114 04 57.37E, Speed = 2.6854Km/h, 2008-12-24,01:50
Track on Demand
-Google Link
W******,100
W000000,100
Remarks: Send this command to the tracker and you receive an SMS with an http link. Click on the link and the location can be
shown directly on your mobile phone using Google Maps. For example:
http://maps.google.com/maps?f=q&hl=en&q=22.540103,114.082329&ie=UTF8&z=16&iwloc=addr&om=1
(Note: Only smart phones and PDAs support this function.)
Change Password
W******,001,######
W000000,001,123456
Remarks: To change user‟s password. ###### is the new password. Password should be 6 digits.
Track by Interval
W******,002,XXX
W000000,002,030
Remarks: To set interval for automatic timed report.
XXX is the interval in minutes. If XXX=000, turn off tracking by time.
In this example, the tracker will send location data back to your mobile phone every 30 minutes.
Authorization
W******,003,F,P,T1
(W******,003,F,P,T1,T2)
W000000,003,3,1,88888888
W000000,003,3,1,88888888,99999999
Remarks: Authorize phone numbers for buttons/inputs, receiving location reports, SMS alarms or phone calls.
F=0, to turn off this function; (default)
F=1, only sends SMS to the authorized phone number;
F=2, only calls the authorized phone number;
F=3, both SMS and calling
P=1, set an authorized number for Input 1;
P=2, set an authorized number for Input 2.
T1: Preset phone number. Max.16 digits.
If you need to set different numbers for receiving SMS and phone call, you can then use W******,003,F,P,T1,T2, In this case
T1 is the phone number for receiving SMS and T2 for receiving phone call.
Note: VT310 doesn‟t support two-way conversation. Calling only gives ring and reminder to the authorized phone
Speeding Alarm
W******,005,XX
W000000,005,08
Remarks: When the tracker speeds higher than the pre-set value, it will send an SMS to the authorized phone number for SOS.
XX is the preset value of speed and in 2 digits.
=00 , to turn off this function;
=[01, 20] (unit: 10Km/h).
In this example, when the tracker‟s speed is over 80km/h, an SMS alarm will be sent out.
Movement Alarm
W******,006,X
W000000,006,6
Remarks: When the tracker moves out of a preset circle scope, it will send an SMS alarm to the authorized phone number for
SOS.
X is the preset radii to the tracker‟s original place
=0, to turn off this function
=1, 30m
=2, 50m
=3, 100m
=4, 200m

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=5, 300m
=6, 500m
=7, 1000m
=8, 2000m
Geo-fence Alarm
W******,302,X
W000000,302,22.000000,-114.123456,3000,1,1
Remarks: Turn on Geo-fencing alarm. When the tracker moves in/out the preset scope, it will send an SMS alarm to the
authorized phone number for SOS.
Note:
1. X is the parameters which includes: latitude, longitude, radii, in, out;
2. Latitude and longitude should be in ASCII format as follows:
Latitude is ddd.dddddd, „0‟ is needed to be stuffed if no value available. „-‟should be added for south.
Longitude is dd.dddddd, „0‟ is needed to be stuffed if no value available. „-‟should be added for west.
3. Radii: [1, 4294967295] meter(s), suggest to be set above 100 meters, if set above 8, it is corresponding radii;
4. If In and Out are 0, corresponding function is invalid, if are 1, valid;
5. Reply as Geo-Fence Alarm;
6. GPRS exiting command is 0x12, entering command is 0x13;
7. Send W******, 302 to turn off Geo-fence function.
Track by Distance
W******,303,X
W000000,303,1000
Remarks: Send this command to set distance.
Note:
1. X= [1, 4294967295], suggest to be set above 300 meters;
2. X=0, turn off.
Extended Functions
W******,008,ABCDEFGHIJ##
#
W000000,008,1011100011###
Remarks:
A=0, turn off the function of sending SMS location report after a phone call is made to the tracker;
A=1, turn on the function of sending SMS location report after a phone call is made to the tracker.
B=0, location data of NMEA 0183 GPRMC will be interpreted into normal text for easy reading;
For example, Latitude = 22 32 36.63N Longitude = 114 04 57.37E, Speed = 2.6854Km/h, 2008-12-24,01:50
B=1, location data complies with NMEA 0183 GPRMC protocol.
For example, $GPRMC,161509.000,A,2232.5485,N,11404.6887,E,0.3,153.7,290709,,*03
C=0, turn off the function to automatically hang up an incoming call;
C=1, turn on the function to automatically hang up an incoming call after 4 - 5 rings.
D=0, turn off the function of sending an SMS when the tracker is turned on;
D=1, turn on the function of sending an SMS to the authorized phone number for SOS when the tracker is turned on.
E, defaulted as 1 (the tracker shuts down automatically when the power voltage is lower than 3V).
F=0, turn off the SMS alarm when the tracker enters GPS blind area;
F=1, turn on the SMS alarm when the tracker enters GPS blind area. SMS is to be sent to the authorized phone number for
SOS.
G=0, all LEDs work normally;
G=1, all LEDs stop flashing when the tracker is working.
H, reserved and defaulted as „0‟.

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I=0, turn off the function of sending SMS alarm when the extra power of the vehicle tracker is cut;
I=1, turn on the function of sending an SMS alarm to the authorized phone number for SOS when the extra power of the
vehicle tracker is cut.
J,defaulted as 1.
### is the ending character.
(ABCDEFGHIJ defaulted as 1000100001)
Presetting by SMS for GPRS tracking (Ensure that your SIM card supports GPRS connection prior to setting)
Set Tracker’s GPRS ID
W******,010,ID
W000000,010,00001
Remarks: to set a digital GPRS ID for the tracker.
GPRS ID must not over 14 digits.
Set APN
W******,011,APN,Username,
Password
W000000,011,CMNET,Meiligao,6688
W000000,011,CMNET
Remarks: If no APN username and password are required, just input APN only.
APN defaulted as „CMNET‟.
APN + username + password should not over 39 characters.
Set IP and Port
W******,012,IP,Port
W000000,012, 220.121.7.89,8500
W000000,012,www.meiligao.net,8500
Remarks: IP is your server‟s IP or the domain name. Port: [1,65534]
Set DNS Server IP
W******,009,DNS Server IP
W000000,009,220.23.4.90
Remarks: If the domain name you set by the last command (W******,012,IP, Port) doesn‟t work, your server IP is not properly
set. You can first use this command to set DNS Server IP (please check with your DNS server provider for the DNS Server IP)
and then redo the command W******,012,IP,Port.
Enable GPRS Tracking
W******,013,X
W000000,013,1
Remarks:
X=0, to turn off GPRS tracking (default);
X=1, to enable GPRS tracking via TCP;
X=2, to enable GPRS tracking via UDP.
Set GPRS Interval
W******,014,XXXXX
W000000,014,00060
Remarks: to set time interval for sending GPRS packets.
XXXXX should be in five digits and in unit of 10 seconds.
XXXXX=00000, to turn off this function;
XXXXX=00001~65535, time interval for sending GPRS packet and in unit of 10 seconds.
In this example, the tracker will send every 600 seconds (10 minutes).
Set Heartbeat Interval
W******,015,data
W000000,015,10
Remarks: to set interval for heartbeat.
Data: in unit of minute

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data=0, to turn off this function;
data=1~65535, set interval for heartbeat.
In this example, the tracker will send heartbeat every 10 minutes.
Set Sensitivity of Tremble
Sensor
W******,035,XX
W000000,035,30
Remarks: Send this command to set sensitivity of tremble sensor
Note:
1. XX=[1,255], it will be more sensitive if XX is smaller.
2. Default value is 30.
Example: W000000,035,30
Heading Change Report
W******,036,degree
W000000,036,90
Remarks: when the heading direction of the tracker changes over the preset degree, a message with location data will be sent
back to the server by GPRS.
degree=0, to turn off this function;
degree=[1,360], to set degree of direction change.
For more information regarding GPRS tracking please refer to GPRS Communication Protocol
Sleep Mode
W******,021,X
W000000,021,2
Remarks: this setting is for power saving.
X=0 turn off sleep mode
X=1 Level I
X=2 Level II
X=3 Level III
Here is some explanation for the sleep mode.
GPS module will be closed for 64 seconds * X ( X=1, 2, 3), if it gets continuous GPS fixed for 32 times or Non-GPS fixed for 128
times. After that, GPS module will periodically work and close.
Power Down
W******,026,XX
W000000,026,10
Remarks: Put the tracker in power down mode when the tracker is inactive (stationary) or immobile for a period of time.
In Power Down mode, GPS stops working and GSM enters sleep and stop sending out message. The device remains in this
mode until it is activated by message, incoming calls, or input changes.
XX=00, to turn off this function;
XX=01~99, to turn on Power Down after a specified period of being inactive. It is in unit of minutes.
In this example, the tracker will enter power down mode after it is inactive for 10 minutes.
Listen-in (Voice Monitoring)
W******,030,T
W000000,030,88888888
Remarks: T is the telephone number for wiretapping and max. 16 digits.
Time Zone
W******,032,T
W000000,032,480 W000000,032,-120
Remarks: Default time of the tracker is GMT, you can use this command to correct it to your local time. This command is for SMS
tracking only.
T=0, to turn off this function;
T=[-32768,32767] to set time difference in minute to GMT.