4G OBD WiFi GPS Tracker VT400

Model No: VT400

VT400 is a plug and play OBD device for the car. It is also an advanced Telematics unit compatible with all sort of vehicles that support OBD II port. Inbuilt with 4G speed and Wi-Fi hotspot to help you stay connected to your vehicle. The smart OBD GPS tracker is perfect for large commercial fleet tracking solution. It is integrated with a 3-axis accelerometer to monitor bad driving behavior.




  • accuracy icon
    High accuracy location
  • network icon
    support 4G network
  • null
    Real-time location
  • location-on-road
    History route
  • geo-fence-icon
  • null
    Trips (Single trip and day/week/month)
  • null
    OBD real-time data (default was closed)
  • null
  • car
    Vehicle detect


  • signal icon
    Quad band GSM/GPRS frequencies 850/900/1800/1900 MHz
  • chip icon
    Internal superior sensitivity MTK chipset
  • installation icon
    OBDII connectivity, easy to install
  • driving icon
    Internal 3-axis accelerometer for motion detection and driving behavior analysis
  • battery-status icon
    Build-in backup battery with long standby time
  •  antenna icon
    Internal GSM/GPS antenna
  • high-voltage-icon
    Wide operating voltage range 8V to 28V DC
4g obd

ThinkRace Technology manufactured OBD device to track car location in real-time. The device uses MQTT &TLS protocols, to deliver quick and safe vehicle data. Build your own automobile tracking device via ODM/OEM/JDM services. We also provide complete hardware and software solutions along with customized apps & applications for our B2B customers. The car tracking device is helpful for Cab & Taxi Companies, Fleet Companies, Insurance Companies, Logistic Companies, and Automobile Companies.

Basic parameters

GSM Specifications

Frequency 850/900/1800/1900MHz
GPS Chipset MTK3337
Receive Frequency 1575.42MHz
Acquisition Sensitivity -145dBm
Tracking Sensitivity -160dBm
TTFF(Open Sky) Cold start:< 30s
Hot start:< 2s

General Specifications

Power < 1.2W
Dimensions 59*49*23mm
Weight 45g
Operation Temp -30℃~70℃
Flash 16M bit
Electric Current Operation Current:50mA;
Sleep Current:8mA
Air Discharge 10kv
Transmit Protocol TCP/UDP

How it works

Step 1

Download the APP

Step 2

Install to the car

Step 3

Drive and data collection

Step 4

Receive and analysis the report

Get complete insight right at your fingertips


The OBD II technology provides complete fleet data
like performance statistics, fault codes, vehicle
diagnostics, fuel consumption, hard

Access from mobile or web platform

Get access to your vehicle data right from your mobile phone
or web platform. The device even let you monitor real-time
location, mark geo-fencing, and trip report analysis.

To get more information about 4G OBD WiFi GPS Tracker VT400 dealership & partnership policies and for placing bulk order inquiries, please contact.