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Quick Details

  • Type: Gps Tracker
  • Use: Automotive
  • Screen Size: N/A
  • Function: Tracking
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Lexitek
  • Model Number: LT103B
  • Warranty: 1 Years
  • GPS Chip: SIRF III chip
  • Network: GSM / GPRS
  • GSM Frequency: 850 / 900 / 1800 / 1900
  • GSM/GPRS Module: Simcom Sim340
  • GPS Sensitivity: -159 dBM
  • GPS Accuracy: 5 M
  • Working Temperature: -20 to 55 C
  • Battery: Rechargeable 3.7 V 1000 mAh Li-ion Battery
  • Dimension: 103 (L) x 54 (W) x 34 (H) mm
  • System compatibility: Windows7 and Windows Vista

Packaging & Delivery

Packaging Details Dimension: 54mm*62mm*26mm
Weight: 125g
Box size: 13cm*19cm*5.7cm
Box weight :0.7kg
Carton size: 53.4cm*39.9cm*30.4cm
Qty/carton: 40pcs/ctn
Net weight: 28kg/ctn
Gross weight: 29kg/ctn
Delivery Time 1 to 5 days after recept of payment

sim card vehicle gps tracker tk103B






This High-Tech GPS Car Tracker is a Real-Time GPS Tracker with Remote Control, Siren and Shock Sensor. This is our latest GPS Tracker and comes with an abundance of advanced features. This is a vehicles best theft prevention protection system available in the market right now!




Its convenient Text Messaging ability via SMS and full range of Alarm features (including gas to engine cut off) makes this GRP the ultimate safety gadget for your car, van, truck, or even your entire vehicle fleet.


Here is a small list of what it can do for you and your vehicle:


•      Track on Demand - Replies with an SMS Text message with current latitude, longitude, speed, and time, as well as an Internet map link to your mobile phone to show you exactly where your vehicle is.


•      Geo-fencing control - When the vehicle moves in/out the preset scope, it will send an SMS alarm to the authorized phone numbers.


•      Movement and Speed Alert: The tracker can warm you with SMS message when the vehicle starts to move from a stationary status, or when the vehicle is moving faster than a preset speed.


•      Stop the Engine: You can send an SMS message to the tracker to cut off the gas and battery power, so the engine will remain in an immobilized state until your remove the alarm status.


•      GPRS: With a GPRS enabled SIM card, you can monitor real-time movement of your vehicle with the supplied software on your computer.


Siren and Shock Sensor


When serious impacts, minor disturbances or disruptions are detected, this shock sensor utilizes warning chirp, tripping the alarm. If someone unauthorized opens a vehicle door, your siren will sound and scare off any undesired entry to your vehicle. And cutting your car alarm wire will not prevent your siren from wailing!


Keyless Entry, Arm/Disarm by Remote Control


An added level of security comes with this car GPS tracker, via its remote control lock/unlocking! Power lock doors can be controlled from several feet away and no one can enter your vehicle without your wireless transmitter. If you lose your keys, at least your car will still be safe! At such an affordable price, this Vehicle GPS Security System is by far our greatest value for money. Save almost 70% by purchasing this all in one unit, compared to buying all these great features separately.






Product Description













GPS Module

SIRF3 chip

GPS sensitivity


GPS Accuracy


GPS Start Time

Cold status  45s

Warm status  35s

 Hot status  1s

Built in Memory


Micro SD Card Slot

Yes supports 4GB max

Applicable  vehicle power

12 V -24V

Backup battery

Chargeable 3.7V 500mAh Li-ion battery

Storage Temp

-40°C to +85°C

Operation Tem.

-20°C to +65°C


5%--95% non-condensing

Altitude Limit

18,000 meters (60,000 feet) max

Velocity Limit

515 meters/second (1000 knots) max

Online tracking system

Web based online tracking platform: www.gpstrackerxy.com  

(demo account: demo, password: 8888.)

Iphone/Android application


Features and functions



Single Locating


Location based service (LBS) 


ACC working alarm


Cut off the Oil and Power System


Calibration of fuel sensor


Low battery alarm


Power off alarm


GPS blind Spot alert






Movement alarm


Over speed alarm


Fuel alarm


Door open alarm


ACC Alarm


Built in Acceleration Sensor Alarm


Built in Shock sensor sensitivity configuration


Alarm without GSM network service


Sleep Mode

Tracking solutions

1. SMS tracking on cellphone with a googlemap link to view current location on map  on cellphone screen.  
2. Get absolute address by SMS
3. PC Installation software tracking.   
4. Web server online tracking www.gpstrackerxy.com







Online tracking system


www.gpstrackerxy.com(demo account: demo, password: 8888.)







Location SMS





Android App





Iphone App

















Packaging & Shipping









Package Contents for  tk103b
 GPS Car Tracker
 GPS Antenna
 GSM Antenna
 Remote control
 English Manual


 Siren (Optional)
 Shake sensor(Optional)
 Ultrasonic fuel sensor(Optional)







Q: How do I make sense of the longitude and latitude data this unit provides?

A: Both Google Maps and Google Earth can easily translate the data into usable visual information.


Q:The unit does not pick up a GSM signal and the SMS functions aren't working, what's wrong? 

A number of things could cause this to happen: 

1) Make sure the SIM card is compatible GSM 850/900/1800/1900Mhz(only 2G, 2.5G, 2.75G SIM cards work) 

2) Make sure there is money left on the SIM card and that it has not expired 

3) Make sure there is no PIN code associated with the SIM card 

4) Make sure roaming is enabled on your SIM account if you are in a different country


Q:How can I track the units?


1. SMS tracking on cellphone with a googlemap link to view current location on map  on cellphone screen.  
2. Get absolute address by SMS
3. Android or Iphone app trackerhome.   
4. Web server online tracking www.gpstrackerxy.com(demo account: demo, password: 8888.)






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