¡¡Name: Mini GPS Tracker with Memory Slot and Shock Sensor
¡¡Model: GT102B
¡¡Price: 50 PCS------------------- USD   /PC (EX-WORKS)
             200 PCS----------------- USD   /PC (EX-WORKS)
             500 PCS----------------- USD   /PC (FOB SHENZHEN)
             100 PCS----------------- USD   /PC (FOB SHENZHEN)
¡¡Product Size: 64*46*14mm, 
   Net Weight: 46g
¡¡Packing: 50 PCS/CTN, 53*40*38CM, GW. 22KG





¡ó Communication by GSM/GPRS, GSM frequency 4-band 850/900/1800/1900.
¡ó Powerful magnets and water proof bag, can be adsorbed in hidden places.
¡ó Position by both GSM and GPS, if lose GPS, it will position by GSM automatically.
¡ó Track by GSM (call or send SMS to the tracker to get position) or GPRS (internet online)
    We offer free PC verstion software and webpage based tracking, the later is charged service.
¡ó Real-time track, get longitude, latitude, speed and time, also can get real address name.
¡ó Auto track, automatically get posiition with interval
¡ó Geo-fence: send alert when out off preset fence.
¡ó Movement alert/over speed alert/low battery alert/SOS alarm, outer power on/off alert (optional)
¡ó Monitor mode enable you hear the sound around the tracker.
¡ó With Memory slot, can save position and transfer to internet platform
¡ó With inbuilt shock sensor, when the car was shocked, can send alert.
¡ó Sleep function, enable the tracker standby long time.
¡ó State check: enable you know the state of GSM/GPS signal, GPRS on/off, battery capacity.
¡ó Small size and weight, unit size 64*46*17mm, NW. 50g
¡ó Double 3.7v, 1000mA Li-batteries.

¡ó Vehicle rental/out-door machines and equipments etc.
¡ó Protect child/ the old/ the disabled/ pet etc
¡ó Provide peace-of-mind for businessmen
¡ó Manage personnel
¡óTrack criminals secretly

¡ó GPS module: SIRF3 chip
¡ó GSM/GPRS module: SIM 900A
¡ó GPS sensitivity: -159dBm
¡ó GPS accuracy: 5m
¡ó Car charger: 12-24V input to charger, 5 V to tracker.
¡ó Wall charger: 110-220V to charger, 5 V to tracker



  1. Summary and application
     1.1 Summary:
Working Based on existing GSM/GPRS network and GPS satellites, this product can locate and monitor any remote targets by SMS or internet.
1.1 Application
       A) Vehicle rental / Fleet management etc
       B) Powerful magnet+water proof, adsorbing in the hidden place of car.
        C) Protect child / the old / the disabled / pet etc
         D) Provide peace-of-mind for businessmen
       E) Manage personnel
    F) Track criminals secretly

  2. Specification




64mm x 46mm x 17mm(1.8¡±*2.5¡±*0.65¡±)





GSM Band


GPS chip


GSM/GPRS module

SIM 900B

GPS sensitivity


GPS accuracy


Time To First Fix

Cold status 45s£¬warm status 35s£¬hot status 1s

Car charger

12¡ª24V input,  5V output

Wall charger

110£­220V input, 5V output


Chargeable changeable 3.7V 800mAh Li-ion battery



Storage Temp.

-40¡ãC to +85¡ãC

Operation Temp.

-20¡ãC to +55¡ãC


5%--95% non-condensing

  3.  Accessories



  5. Usage
  5.1 SIM card installation

     Make sure that there is no call transfer and call display is on, and PIN code off. The SMS message must in Text format, can¡¯t be identified for  
     PDU format.


   5.1.1 Open the rear cover, and pick out the battery.

   5.1.2 Push the foil up according the arrow on the foil and load the miscro SD card and push back.


  5.1.3 Put the SIM card into the holder as picture shows.



  5.2 Battery and Charger

  Do charge the battery to capacity in 8 -12 hours for first use. Please use the battery and charger provided by the manufacturer. This unit adopts 
  built-in Li-ion battery, and full battery will support around 48 hours use on end. After first use, the battery can be charged fully in 3-5hours.


  a: For it¡¯s Li-ion battery, which contains harmful chemicals and may burst, please don¡¯t bump, puncture it violently and keep it off fire.

  b: Please charge the battery in time to keep it working normally.

  5.3 Startup

     a: Put the SIM card and battery in place.

     b: Turn on the unit outdoors by pressing the ¡°on/off¡± button until the indicator is on.

     c:  For first use, please initialize the unit and restore it to default setting. (Please refer to 5.4 for instruction.)

     d:   In 10 or 40 seconds, the unit will begin to work and acquire the GSM signals as well as the GPS signals. The indicator will keep flashing 
    every 4 seconds when the unit has received the signals, otherwise it will keep on.

     e:  When this unit receives GPS signals normally, you can use it and do all the following settings.

  5.4 Initialization

  5.4.1 Send ¡°begin+password¡± in SMS to the unit, it will reply ¡°begin ok¡± and initialize all the settings. (Default password: 123456)

  For example, send SMS¡° begin123456¡± to the tracker via a cell phone, If succeeded,

 ¡°begin OK¡± is returned by the device in SMS.  If there is something wrong then SMS ¡°begin fail¡± is received, check out the format of  
   commands sent and password as well.

  Attention, begin+123456,the symbol¡°+¡± in the following, please don't add ¡°+¡± in

  SMS, only begin123456 in SMS. This description is only for quick understand.

  same argument, ¡°space¡± not the word space, it means press the spacebar button.

 5.4.2 No GPS signal in house, in high buildings, in metals, when testing, you should put the tracker outside house. Spacious places have strong 

  5.5 Change the password

  Send SMS password+old password+space+new password to change the password.


  5.5.1 Be sure keep the new password in mind, you have to upload the software to restore the original setting in case of losing the new password.

  5.5.2 Make sure the new password is in 6 digits, or else the tracker can not recognize the password.

  5.6 Authorization

  There are only 5 numbers able to be authorized.

  5.6.1 Call the tracker for 10 times, it will make the cell phone number as the authorized number automatically. 

  5.6.2 Send SMS admin+password+space+cell phone number to set up a 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!¡± in SMS.

  5.6.3 Send SMS noadmin+password+space+authorized number to delete the authorized number.

  5.6.4 For roaming purpose, you have to add your country code ahead of the cell phone number, for example, please send admin123456  
  008613322221111 to tracker to set 13322221111 as an authorized number.

  5.7 Single Location

  5.7.1 If there is no authorized number, when any number dials up the unit, it will report a Geo-info; If there is already an authorized number, then it 
  will not respond when an unauthorized number calls it up.

  5.7.2 When an authorized number dials up the unit, it will hang up and report a real-time Geo-info as below:

    *Tracking location, When GPS signals is weak, the position of latitude and longitude included in the SMS is the position that the tracker received GPS signals at last. If it is different with its exact current location, pay attention to check the time included in the SMS you got.


  5.8 Get location in real street/address name

  5.8.1 You must set up the APN of your local GSM network for the SIM card in tracker first before using this function, if there is user name and 
  password for GPRS login, Please refer to 5.19.1 and 5.19.2 to configure the APN, user name and password for GPRS login.

  5.8.2 After configure the APN, send address+password to device, it will reply SMS including real street/address name. For example: No.113,
  Nantou Guankou 2nd Rd. Nanshan district, Shenzhen, Guangdong, china.

  5.9 Auto Track

  Report a Geo-info at 30s intervals to the authorized numbers for 5 times:

  5.9.1 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.

   5.9.2 Send SMS ¡°fix030s***n+password¡± to the tracker device, it will reply the Geo-info continuously at 30 seconds intervals.

   5.9.3 Cancellation: Send SMS ¡°nofix+password¡± to the tracker device to cancel the ¡°auto track¡±.

   Note: the interval must not less than 20s.


  5.10 Location based service (LBS)

  When the tracker device doesn¡¯t received valid GPS signals, tracker will positioning by location based service, the messages includes the 
  GPS coordinates of the last position in SMS mode, but the LAC in message is the current new position, the location can be seen by input the
  LAC code in the menu ¡°Manual Track¡± of web platform www.gpstrackerxy.com, you can also send command ¡°address+password¡± to
  tracker to get the newest absolute address and GPS coordinates as well; tracker will automatically switch to track by location based service in
  GPRS mode, and actualized on the map of web server with LBS mark. And there may be some inaccuracy with actual location by LBS tracking;
  the bias depends on GSM reception.

 Note: This feature can be used normally in most areas according to the signal of GSM network. It may not be available in some areas.

  5.11 Monitor (Voice Surveillance)

  5.11.1 The command to switch between Track and Monitor are ¡°tracker¡± and ¡° monitor¡±.

  5.11.2 The default mode is ¡°track¡± (Track mode).

  5.11.3 Send SMS ¡°monitor+password¡± to the unit, and it will reply ¡°monitor ok!¡± and switch to ¡°monitor¡± mode.

  5.11.4 Send SMS ¡°tracker+password¡± to the unit, it will reply ¡°tracker ok!¡± and restore to ¡°track¡± mode.

  5.12 Storage

  5.12.1 Auto Storage£ºWhen the tracker devices lost GSM signals or fall offline from GPRS, tracker will store the tracking position and alerts  
  automatically in the flash upon the pre-set condition, when GSM signals get back, all the event alerts will be auto-sent to the authorized numbers
  or monitoring platform (server), but the stored tracking data should be loaded to the monitoring platform via SMS command.

  5.12.2 Storage upon times: Send SMS: ¡°save030s005n+password¡± to the tracker unit, it will reply ¡°save ok¡±, and will store the lat, long 
  locations every 30 seconds for 5 times. (S: second, m: minute; h: hour).

 5.12.3 Multi-Storage£ºSend sms:¡±save030s***n+ password¡± to tracker device, it will reply ¡°save ok¡±.

  5.12.4: Storage Clearance: send SMS: ¡°clear+ password¡± to tracker device, it will reply ¡°clear ok¡±.

  5.12.5£ºMemory slot, capacity according to the Micro SD

  5.12.6 The stored data can be copied to computer via the USB cable which put in the package. The route of the stored data can be seen by
  importing data in the menu ¡° Data Import¡± of web platform www.gpstrackerxy.com


  5.13: Inbuilt shock sensor

  It is disabled as default, send ¡°shock+password to tracker, tracker will reply ¡°shock ok!¡±, ¡°sensor alarm+lat/long¡± will send to authorized
  phone when tracker is being shocked, and one alarm for each shock event trigger.

    Cancel: send ¡°noshock+password¡± to cancel the shock sensor alarm.

  5.14 Data Load

  5.14.1 Current date Load: Send SMS: ¡°load+ password¡± to tracker device, it will reply: ¡°load

    ok¡± if the device is working well under GPRS mode; if not, it will reply ¡°load fail! Please check gprs¡± that means device does not work under
    GPRS mode.

  5.14.2 Specified date Load£º Send SMS: ¡°load+ password+ space+ year month date¡± to tracker device, it will reply: ¡°load ok¡± and load
  the tracking data to the monitoring platform upon the valid time you choose. For Example: send SMS: ¡°load123456 20110425¡± to the tracker
  device, means to load the tracking data of 25th April 2011 to monitoring platform.            


  5.15 Geo-fence

  Set up a geo-fence for the unit to restrict its movements within a district. The unit will send the message to the authorized numbers when it
  breaches the district.

  5.15.1 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 one time in each setting.

  5.15.2 Cancel: Send SMS:¡± nostockade+password¡± to deactivate this function.


  5.16 Movement alert

  5.16.1 Set up: When the unit stays immobile in a place for 3-10 minutes, the user can send SMS: ¡°move+password¡± to the unit, then the unit
  will reply ¡°move ok!¡±. In case of such a movement
£¨the unit default distance is 200M£©, it will send SMS ¡°Move+ Geo-info¡± to the
numbers every 3 minutes. It will alarm one time in each setting.

  5.16.2 Cancel: Send SMS:¡± nomove+password¡± to deactivate the movement alert.

  5.17 Overspeed alert:

  5.17.1 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 80 km/h, the unit will send SMS :¡±speed+080!+Geo-info¡± to the authorized numbers every 3 minutes. It will alarm
  one time in each setting.

  5.17.2 Cancel: Send SMS ¡°nospeed+password¡± to deactivate the overspeed alarm.

   Remark: The recommended speed should be not less than 30km/h. For below that rate, it will be effected the accuracy by gps signals drift etc.


  5.18 SOS button

  Press the SOS for 3 seconds, it will send ¡°help me!+ Geo-info¡± to all the authorized numbers every 3 minutes. It will stop sending such a SMS
  when any authorized number reply SMS ¡°help me!¡± to the tracker.

  5.19 Low battery alert

  When GPS device battery is going to be 3.7V, it will send SMS:¡±low battery+Ge-info¡± in 3 minutes interval.

  5.20 State Checking

  Send SMS:¡±check+password¡± to the tracker device, it will reply the recent status via SMS as: GSM: 100% GPS: OK/NO GPRS: ON/OFF
   battery: 100%.

  5.21 IMEI checking:

  Send SMS command "imei+password" to the unit. E.g.: Send SMS command "imei123456" to the unit, an IMEI number in 15 digits will be 
  replied to your cell phone.


  5.22 Terminal (local) Time Setting

  5.22.1 Send SMS ¡°time+space+zone+password+space+local time zone¡±.

For example, Send SMS ¡°time zone123456 8¡± (time zone of China).

If the local time zone is negative as ¡°-8¡±, then it should set as SMS:

¡°time zone123456 -8¡±.


  5.23 GPRS setting

  User must send SMS via cell phone to set up IP, port and APN before starting GPRS.

  5.22.1 Setting up APN APN standards for Access Point Name and differs from country to country. For more information about the local APN, inquire with your
  local GPRS network operator. Text the tracker a SMS ¡°APN+password + Space + your local APN¡± via a cell phone and if succeeded in setup, the tracker will return
  the message ¡°APN OK¡±. e.g. send SMS command ¡°APN123456 CMNET¡±. If succeeded, ¡°APN OK¡± is returned by the tracker in SMS.

   Notes: 123456 refer to password of tracker and CMNET is the APN of China Mobile (One of GSM Operator in china).


  5.22.2 GPRS User ID and password Setup 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
  following: Send SMS ¡°up+password+space+user+space+password¡±If succeeded,

  ¡°user,password ok¡± is returned by the tracker in SMS. For instance, send SMS ¡°up123456 jonnes 666666¡± to the tracker, and if succeeded, the tracker returns ¡°user, password OK¡±

  5.22.3 IP and port setup Send SMS as below via a cell phone: adminip +password + Space + IP Address + Space + Port Number.  If succeeded, ¡°adminip
  OK¡± is returned by the device in SMS. e.g, Send SMS command ¡°adminip123456 9000¡± to the tracker device, If succeeded, ¡°adminip OK¡± is returned
  by the device in SMS.( 123456 is default password
£¬ is IP£¬9000 is port).

  5.23 Modes switch between ¡°SMS¡± and ¡°GPRS¡±

  5.23.1 The default mode is ¡°SMS¡±

  5.23.2 Send SMS ¡°GPRS+password¡± to the unit, and it will reply ¡°GPRS ok!¡± and switch to ¡°GPRS¡± mode.

  5.23.3 Send SMS ¡°SMS+password¡± to the unit, it will reply ¡°SMS ok!¡± and restore to ¡°SMS¡± mode.

  5.24 Web platform and PC installation tracking software

  5.24.1 Web based platform www.gpstrackerxy.com. Configuration IP: Port: 9000. Please check ¡°software platform user
  manual¡± included in the CD for detailed operation information.

  5.24.2 PC based installation tracking software included in the CD in package.

  6 .Cautions

  Please comply with the instructions to extend the unit life:

  6.1 Keep the unit dry. Any liquid, i.e. rain, moisture, may destroy or damage the inside circuitry.

  6.2 Don¡¯t use & store the unit in dusty places.

  6.3 Don¡¯t put the unit in overheated or overcooled places.

  6.4 Handle carefully. Don¡¯t vibrate or shake it violently.

  6.5 Clear the unit with a piece of dry cloth. Don¡¯t clean in chemicals, detergent.

  6.6 Don¡¯t paint the unit, this may cause some foreign materials left in between the parts.

  6.7 Don¡¯t disassemble or refit the unit.

  6.8 Please use the battery and charger provided by manufacturer. Using other batteries and chargers will cause unwanted situation.


  7 Faults & The solutions



Startup Fail

Check the battery and see if it is fully charged or

correctly installed.

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.

No GSM Signal

Please make sure SIM Card is GSM Net and installed correctly; also call display should be on; but no call transfer and PIN code off.


Copyright: Shenzhen Honghan Electronics Co., Ltd.  All rights reserved
Tel: 86-755- 27943109            Fax: 86-755-28715306
Email: Maxshaw86@gmail.com