Mictrack MT531 User manual

MT531 User Manual V1.0
http://www.mictrack.com
MT531 4G GPS Tracker
User Manual V2.0
Preface
Congratulations on choosing the Mictrack MT531 4G GPS tracker. This manual
shows how to easily program and setup the tracker for best results. Make sure to read this
manual carefully before using this product, so as to avoid delays or confusion with it’s
operation. Please note that specifications and instructions are subject to change without
notice to facilitate product improvement. Updates and changes will be integrated into the
latest release. The manufacturer assumes no responsibility for any errors or omissions in
outdated documents.

MT531 User Manual V1.0
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Contents
1. Overview................................................................................................................................1
2. Application............................................................................................................................. 1
3. Specifications........................................................................................................................1
4. Installation............................................................................................................................. 2
4.1 SIM Card installation................................................................................................2
4.2 Power ON.................................................................................................................. 2
4.3 LED Indications.........................................................................................................2
4.3.1 Blue LED - GPS indicator...........................................................................2
4.3.2 Red LED - Charging indicator....................................................................3
4.3.3 Yellow LED - Network indicator................................................................. 3
4.4 Install the Device...................................................................................................... 3
5. Setup and Configuration..................................................................................................... 4
5.1 Setting Authorized Mobile Phone Numbers.........................................................4
5.2 Change the password..............................................................................................4
5.3 Set the preset phone number.................................................................................4
5.4 Request the single position.................................................................................... 4
5.5 Over-Speed alarm.................................................................................................... 4
5.6 Phone Alarm for shake............................................................................................ 5
5.7 SMS Alarm for shake............................................................................................... 5
5.8 Set APN (Access Point Name)...............................................................................5
5.9 Sleep interval............................................................................................................ 5
5.10 Set Server IP and PORT.......................................................................................5
5.11 Set timezone........................................................................................................... 5
5.12 SOS Alarm...............................................................................................................5
5.13 Sleep mode............................................................................................................. 5
5.14 Low Battery Alarm.................................................................................................. 6
5.15 Cut Off Oil Alarm.................................................................................................... 6
5.16 Phone Tracking.......................................................................................................6
5.17 Heartbeat report interval....................................................................................... 6
5.18 ACC Illegal Start Alarm..........................................................................................6
5.19 Reboot......................................................................................................................6
5.20 Reset........................................................................................................................ 6
5.21 ACC ON Upload time.............................................................................................7
5.22 ACC OFF Upload time...........................................................................................7
6. PC Tracking platform...........................................................................................................7
6.1 App install & Login....................................................................................................7
6.2 PC login......................................................................................................................7
7. Troubleshooting....................................................................................................................8

MT531 User Manual V1.0
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1
1. Overview
The MT531 is the 4G GPS tracker, supporting 4G LTE/WCDMA/UMTS networks.
This device can be used locate, track and monitor any remote target via SMS, PC
Computer or Mobile APP. It is commonly used to track and locate individual vehicles,
motorbikes or boats,and is a valuable tool for enhanced fleet management. The user also
can remotely cut off Fuel /Ignition and check the historical route travelled and other
vehicle data.
The MT531 has an excellent track record for stable performance and possesses a
wide variety of features.
2. Application
4G network support (Fall back to 2G)
Real-time position acquiring
Vehicle trip history and mileage data on web tracking platform
SOS alarm button and real time reporting (optional)
ACC switch status alarm
Geo-Fence alarm and reporting
External power cut off alarm
Remote cut off fuel / ignition (optional)
Voice listen in (optional)
Vehicle towing / Movement alarm
Over-Speed alarm and reporting
Backup battery low power alarm
Power saving / sleep mode
3. Specifications
Item
Specifications
Dimension
87(L)*50(W)*12(H)mm
Weight
80g
Input Voltage
9V-80V
Backup battery
160mAh/3.7v
Power consumption
50mA standby current
Working temperature
-20°C to 55°C
GPS Sensitivity
-162dBm
Positioning Accuracy
5-10m

MT531 User Manual V1.0
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Item
Specifications
4G bands
MT531-E
4G LTE: B1/B3/B5/B7/B8/B20
2G: 900/1800MHz
MT531-A
4G LTE: B1/B2/B3/B4/B5/B7/B8/B28/B66
2G:850/900/1800/1900MHz
Hot start
1s on average
Warm start
15s on average
Cold start
30s on average
Humidity
5%~95% non-concretion
Antennas
Internal 4G & GPS antennas
Sensor
3D acceleration/movement sensor
LED
CHG/GPS/Network
SIM Card interface
Standard Size SIM (2FF)
4. Installation
4.1 SIM Card installation
Get ready a Standard size SIM Card with 10-15MB data a month.
Open the waterproof rubber plug
Insert Sim card (2FF) to sim card slot correctly
Make the Power Button to ON
After that the device will be ready.
4.2 Power ON
Make the Power button to ON, and the device will turn on.
Note:
The device only supports Standard Size SIM card (2FF).
To remove SIM card, use paperclip to press the SIM card to eject the SIM card .
4.3 LED Indications
4.3.1 Blue LED - GPS indicator
Status
Description
Flash
GPS Not Work or No GPS Signal
Light On
GPS Work

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4.3.2 Red LED - Charging indicator
Status
Description
Flash
Charging/working
Light Off
No Power
ON
Normal
4.3.3 Yellow LED - Network indicator
4.4 Install the Device
Wiring connections (See below image)
Connect the Relay (relay is optional)
The Yellow cable is control the fuel of the car and connects pin 86 of relay which is a
coil end. Pin 85 of the relay which is another coil end connects fuel channel to supply
12V power (please note working volt of the relay is consistent with working volt of the
product). Pin 30 and Pin 87a are always closed ends and connect fuel channel
power circuit in series. Please install wire in a correct way. supplier will not be
responsible for device damage caused by wrong installation.
Status
Description
Light On
Network work
Flash
No network or SIM card not detected

MT531 User Manual V1.0
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When installing the device, please connect supplied wiring loom as follows: (or
contact our sales team for help)
Red: Connect to constant 12V Car Battery(+)
Black: Connect to Earth (Chassis) Car battery(-)
Orange: Connect to ACC switched 12V Power
Note: SOS, microphone and Relay are optional.
5. Setup and Configuration
Following a successful command, you should always receive a reply SMS from the unit.
Be patient, as this may take some time depending if the unit is required to reboot to process
the command. Failure to reply will indicate either an incorrect SMS Command, or the unit has
powered off, lost Cell Mobile signal or run out of SIM Card credit.
5.1 Setting Authorized Mobile Phone Numbers
Command: admin+password+Space+Phone Number
Example: admin123456 13424392330
Reply: admin ok
Note: The defaulted password is 123456.
5.2 Change the password
Command: password+old password+Space+new password
Example: password123456 000000
Reply: password OK
5.3 Set the preset phone number
Command: 101#phone number#
Example: 101#13424392330#
Reply: OK
5.4 Request the single position
Command: G1234
When sent this command to device, it will reply the location by using Google Link.
http://maps.google.com/maps?q=+22.64802,+114.03421
ID:17018449638
ACC:OFF
GPS:A
Speed:0.0KM/H
22-04-01 16:18:29
5.5 Over-Speed alarm
Command : speed+password+space+speed value
Example: speed123456 080
Reply: speed ok

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Disable Over-Speed Alarm
Command : speed+password+space+000
Command : speed123456 000
Reply: speed ok
Note: Speed range is [0,255] KM/H
5.6 Phone Alarm for shake
Disable phone alarm for shake : 121#
Reply: OK
Enable phone alarm for shake: 122#
Reply: OK
5.7 SMS Alarm for shake
Disable SMS alarm for shake : 126#
Reply: OK
Enable SMS alarm for shake : 125#
Reply: OK
5.8 Set APN (Access Point Name)
Command: APN+password+space+apn
Example: apn123456 cmnet
Unit Reply: APN OK.
Note: please contact your SIM Card provider to get the correct APN details
5.9 Sleep interval
Command: sleep,password,interval
Example: sleep,123456,30
Unit Reply: OK.
5.10 Set Server IP and PORT
Command : IP+ space+ IP address+ space+ port number
Example:IP 113.98.254.180 8185
Reply: SET OK.
5.11 Set timezone
Command : zone+password+ space+Timezone
Example:zone123456 E08
Reply: OK.
5.12 SOS Alarm
When press the SOS button more than 3 seconds, it will send location to authorized
phone number, the information state included "STATE: SOS"
5.13 Sleep mode
When the vehicle ignition is off and devices stop for 2 minutes it will go to sleep mode.

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5.14 Low Battery Alarm
While device detect internal battery is low power, it will send coordinate SMS with
STATE:LOW POWER
5.15 Cut Off Oil Alarm
While the 12V power disconnected, it will send location to server
5.16 Phone Tracking
Any phone can call the tracker and tracker will hang off the phone automatically,then send
a position message to the sender, if GPS no work, tracker will send a invalid message to
sender , tracker will send a valid position message to the sender again once GPS work
normally by automatically.
5.17 Heartbeat report interval
Command for set heartbeat time:interval,password,X
Example: interval,123456,600
Reply: OK
Note: .the unit of X is L second, the max time is 65535 seconds
5.18 ACC Illegal Start Alarm
Enable ACC Illegal SMS Alarm：accsms,password,1
Example: accsms,123456,1
Reply：acc sms alarm set ok
Disable ACC Illegal SMS Alarm：accsms,password,0
Example: accsms,123456,1
Reply：acc sms alarm set ok
Enable ACC Illegal Phone Alarm：acccall,password,1
Example: acccall,123456,1,
Reply: acc call alarm set ok
Disable ACC Illegal Phone Alarm：acccall,password,0
Example: acc123456,0
Reply：acc call alarm set ok
Note : 1 mean open, 2 mean close
5.19 Reboot
Command : CQ
Reply: system reset OK!
5.20 Reset
Command : FORMAT
Reply: OK

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5.21 ACC ON Upload time
Command : FREQ,password,X
Example : FREQ,123456,30
Reply: OK
5.22 ACC OFF Upload time
Command : STATIC,password,X
Example : STATIC,123456,40
Reply: OK
Note : The unit of X is second
6. PC Tracking platform
6.1 App install & Login
Search “iottracking” in Google Play or iOS store(or scan the following QR code) to
download the Mobile APP;
Choose the” Login by ID;
Input your device’s ID number and password(default is 123456) to login.
6.2 PC login
Web: www.yoursgps.com
Choose “ID No.”
Input your device’s ID number and password(default is 123456)

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7. Troubleshooting
Issues
Caused
Solutions
Send SMS to the
device but no reply
1>Data only SIM card and don't
supported SMS service,
2>New SIM card have not active
3>Card balance is not enough
Please check the SIM card
status and make sure it
can work.
Command is wrong
Please check the command
format again
Password is wrong
Please check the password
again (default is 0000)
Connect network fail.
Please check RED LED and
only send the SMS command
when it is blinking.
Can not power on
Backup battery is low voltage
Please connect to car’s OBD
Port and make engine ON
GPS platform shows
logged off
1.Check the APN setting ;
2. Check IP and port
Device Can not online on
the server
Device ID is wrong
Please check the ID
Device have not active on server
Please contact your sales to
active your device’s ID
The IP and port setup wrong
Check the IP and port again
APN setup error
Check the APN setting again

MT531 User Manual V1.0
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Any questions please do not hesitate to contact us:
Shenzhen Mictrack Electronics Co.,Ltd.
Add: 706, United Building, Donghuan 1st Road, Longhua District, Shenzhen, China 518131
Tel: [phone]
Web: www.mictrack.com
Email: [e-mail]