Mictrack B21 User manual

B21 User Manual V1.0
https://www.mictrack.com
B21 OBD GPS Tracker
User Manual V1.0
Preface
Congratulations on choosing Mictrack B21 OBD 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errors or omissions in outdated documents.

B21 User Manual V1.0
https://www.mictrack.com
Contents
1. Overview..................................................................................................................................... 1
2. Application...................................................................................................................................1
3. Specifications............................................................................................................................. 1
4. B22 interface..............................................................................................................................2
5. Installation................................................................................................................................... 2
5.1 SIM Card installation.....................................................................................................2
5.2 LED Indications...............................................................................................................3
5.2.1 GSM indicator (RED)...................................................................................... 3
5.2.2 GPS indicator (BLUE)....................................................................................... 3
6. Setup and Configuration......................................................................................................... 3
6.1 Monitor (optional)........................................................................................................... 3
6.2 Set IP and Port..............................................................................................................3
6.3 Set APN........................................................................................................................... 3
6.4 Setup Timezone..............................................................................................................4
6.5 Setup Over speed......................................................................................................... 4
6.6 Configure:......................................................................................................................... 4
6.7 Check the Config:.......................................................................................................... 4
6.8 Restart:............................................................................................................................. 5
6.9 APP & PC tracking platform....................................................................................... 5
6.9.1 Subscribe the server plan................................................................................5
6.9.2 App install & Login............................................................................................ 5
6.9.3 PC login................................................................................................................5
6.9.4 Real time tracking.............................................................................................. 6
6.9.5 History playback................................................................................................. 6
6.9.6 Vehicle moving detection..................................................................................7
6.9.7 Driving behavior analysis................................................................................. 7

B21 User Manual V1.0
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1
1. Overview
The B21 is a plug-and-play OBD tracker without wiring. Easy install to any vehicle with a
standard OBD II connector. It can be used locate, track and monitor the vehicle via PC
Computer or Mobile APP. It is commonly used to track and locate individual vehicles, the user
also can real time tracking and check the historical route travelled.
2. Application
OBD II connector easy to install (Plug and Play)
Real-time position acquiring
Vehicle trip history and mileage data on web tracking platform
Geo-Fence alarm and reporting
Remote monitor (optional)
Vehicle towing / Movement alarm
Over-Speed alarm and reporting
Vehicle Crash alert
Remove and disconnect alarm
Backup battery low power alarm
OTA firmware upgrade
3. Specifications
Item
Specifications
Dimension
48(L)*25(W)*35(H)mm
Weight
33g
Input Voltage
12V-24V
Backup battery
50mAh/3.7v
GSM Bands
850/900/1800/1900MHz
Power consumption
10mA standby current
GPS Chip
U-BLOX7
GPS Sensitivity
-162dBm
Channel
56 Channel
Positioning Accuracy
10m
Hot start
1s on average
Warm start
15s on average
Cold start
30s on average
Working temperature
-20°C to 60°C

B21 User Manual V1.0
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Item
Specifications
Humidity
5%~95% non-concretion
Antenna
Internal GSM & GPS antennas
Sensor
3D G-sensor
SIM Card interface
Micro Size SIM
4. B22 interface
Standard 16PIN OBD2 interface
Built in GPS & OBD module
Insert SIM card to the SIM card slot.
Attach back the housing.
Directly insert the ODB tracker to vehicle’s OBD2 interface.
5. Installation
5.1 SIM Card installation
Please read the following before installing the SIM card:
Ensure the SIM card has balance
Ensure the SIM card has caller ID and GPRS functions enabled
Ensure the SIM card PIN is disabled
To install the SIM card, perform the following operations:
Gently open the case using screwdriver.
Insert SIM card to the SIM card slot.
Attach back the housing.
Directly insert the ODB tracker to vehicle’s OBD2 interface.
Note:
The device only supports Micro Size SIM card;

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5.2 LED Indications
5.2.1 GSM indicator (RED)
Status
Description
Flashing
No SIM Card (or) No Network Reception
Constant ON
Access GSM network successful.
5.2.2 GPS indicator (BLUE)
6. Setup and Configuration
Note: All the end of SMS command is ‘;’
6.1 Monitor (optional)
Format:AS7777AT+AUTHNUMBER=number 1, number 2, number 3;
Example: AS7777AT+AUTHNUMBER=13424392330,,;
Reply: +AUTHNUMBER:13424392330,, OK
Note: This functions is optional.
6.2 Set IP and Port
Format: AS7777AT+MSERVER=IP,Port,1;
Example: AS7777AT+MSERVER=47.91.230.66,7018,1;
Reply: +MSERVER:47.91.230.66,7018,1 OK
Note: support the IP and domain.
6.3 Set APN
Format: AS7777AT+APN=APN,USER,Password;
Status
Description
Flashing
GPS / Satellites Unavailable – Out of Range
Constant ON
GPS/Satellite available

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Example: AS7777AT+APN=cmnet,,;
Reply: +APN:cmnet,, OK
Note: Please CALL your sim card provider to get the correct APN
6.4 Setup Timezone
Format: AS7777AT+TIMEZONE=time zone;
Time zone=E[0~12] or W[0~12]
Example : AS7777AT+TIMEZONE=E8;
Reply: +TIMEZOONE:E8 OK
6.5 Setup Over speed
Format: AS7777AT+LIMITSPEED=Speed Value;
Example: AS7777AT+LIMITSPEED=100;
Reply: +LIMITSPEED:120,100 OK
Note: The speed value must over 100
6.6 Configure:
Format: AS7777AT+CONFIG=SN01*47.91.230.66*1*7018*cmnet*13184210052*E8*10*
5*0*30*5*1*3*60*;
RE: CONFIG:<SN01*47.91.230.66*1*7018*cmnet*1318421002*E8*10*5*0*30*5*1*3*60> OK
Parameter
Example
Description
IP
47.91.230.66
Server IP address
Port
7018
Server port
Protocol
1
TCP Protocol
ID
13184210052
Device ID number
Timezone
E8
Time zone=E[0~12] or W[0~12]
ACC ON interval
10
[10,300] seconds
ACC OFF interval
5
[5,15] minutes
Distance interval
0
Fix to 0, can not change
Heartbeat
30
[1,60] seconds
Sleep ACC OFF
5
[1,10] minutes
Protocol version
1
Fix, can not change
Event for upload
3
Fix, can not change
Wake-up
60
[1,999] minutes
6.7 Check the Config:
Format: AS7777AT+CONFIG;
Reply: +CONFIG:<SN01*47.91.230.66*1*7018*cmnet*13184210052*E8*10*5*0*30*5*1*3*60*>

B21 User Manual V1.0
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6.8 Restart:
Format: AS7777AT+RESET;
Reply: OK
6.9 APP & PC tracking platform
6.9.1 Subscribe the server plan
Contact your sales or distributor to active your device
Subscribe the server from our official shop:
https://www.mictrack.com/shop/gps-tracking-platform-service
6.9.2 App install & Login
Scan the following QR code to download the App
Choose English server
Input username(or device ID) and password(default is 123456) to Login.
6.9.3 PC login
Web: http://gps.mictrack.com
Choose “Plate No./IMEI”
Input your device’s ID number and password(default is 123456)

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6.9.4 Real time tracking
On the GPS system, you will tracking the vehicle real time, it will show the position
and status as below.
6.9.5 History playback
GPS tracking system will save the history data, you can easy playback the history.

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6.9.6 Vehicle moving detection
The G-Sensor real-time detect the vehicle status, such as illegal vehicle movement,
vehicle collision, etc.
6.9.7 Driving behavior analysis
Accumulated travel time/current driving time
Accumulated idle time/The idling time
Average speed
The highest speed in history / the highest speed
The mileage
Note: Please remember to monitor the credit balance of your SIM card, to
avoid confusion or delays in setting up your new unit. This can be a common issue,
especially when initially setting up a new unit, and the unit fails to reply to a correct
SMS command sequence.
If you have any questions please do not hesitate to contact us inf[email protected].