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OBD Trackers


Multiprotocol OBD II Tracker 

 The STU650 is a low-cost 3G tracking solution which simply plugs into the OBD II diagnostic port placed in the vehicle, commonly near the driver’s knees or below the steering wheel column. Once you plug the STU650 into the OBD II port of your vehicle, the device starts tracking and monitoring diagnostic information about the vehicle.

The STU650 is an ideal application for the industries such as vehicle insurance, fleet management, rental, leasing companies and more areas because it is capable of sending reports about driving behavior and about alert conditions on harsh breaking, harsh cornering, excessive acceleration, high speed, towing, unauthorized removal of the device. In addition to all these, the device can report any error conditions present in the DTC (diagnostic trouble codes) table of the OBD-II protocol.

The STU650 detects motion using the 3-axis accelerometer and supports the quad band GSM/GPRS subsystem allowing the vehicle’s location to be monitored from its server. Due to the STU650’s superior algorithms for automatic protocol-detection, the device (STU650) can make an access to hundreds of parameters in real-time. The STU650 supports the following OBD II protocols:

  • ISO 15765-4 (CAN),
  • ISO 14230-4 (Keyword Protocol 2000),
  • ISO 9141-2 (Asian, European, Chrysler vehicles),
  • SAE J1850 VPW (GM vehicles), and
  • SAE J1850 PWM (Ford vehicles)
The STU650 is an affordable device with unrivalled fast data-transmitting capabilities. Some of the values accessible through this OBD II tracker are: engine RPM, calculated load value, coolant temperature, fuel system status, vehicle speed, VIN, and so on.

Key Features

  • Driver Pattern Analisys(Harsh breaking, cornering, acceleration and speeding, Crash reconstruction)
  • Circular/Polygonal Geo-fence
  • Accident Alerts(Rollover notifications, High G-force notifications via SMS)
  • Jamming Detection
  • Various Report (distance, time and vehicle angle)
  • Detect OBD-II Protocol Automatically
  • Collect Information Fast & Accurate and Notify to user
  • Read Extensive Engine Diagnostics (User Selectable), DTC and Vehicle ID


UMTS/HSPA 850/1900Mhz and 900/2100 MHz 3GPP Release 7
5.76 Mb/s uplink, 7.2 Mb/s downlink
GSM GSM 850/1900Mhz and GSM 900/1800 MHz
GPRS Communication TCP / UDP, SMS
GPRS Multi-slot Class 12
Support all 4 coding schemes (CS-1, CS-2, CS-3 and CS-4)
Setting Mode By PC, GPRS or SMS
Command / Report sent via SMS Supported
Back-up Server Supported
GPS Receiver 56 channel (SMAS : WAAS, EGNOS, MASA)
GPS & QZSS L1 C/A, Galileo E1B/L1, Compass ready
GPS Sensitivity Tracking -162 dBm
Reacquisition -160 dBm
Cold start -148 dBm
A-GPS Available
I/O Connection J1939 protocols
J1850(PWM or VPW) protocols
ISO 9141-2 & ISO 14230, K-Line
ISO 14230-4 Keyword Protocol 2000
ISO 15765-4 protcols(CAN)
Housing Dimension 74(W) x 46(L) x 25(T) mm
Weight 102g (with back-up battery)
Power Supply DC 8~32V
Power Consumption Active mode 120~130mA @12V
Sleep mode less than 3mA @12A
Back-up Battery Rechargeable 3.7V, Li-Polymer 210mAh
Electric Protection ESD Protection, Overvoltage Protection
Operational Temperature Range -30˚C ~ +80˚C
Certificates CE, FCC, PTCRB