The ST3500 is a low-cost 3G tracking solution which simply plugs into the OBD II diagnostic port placed in the vehicle. The ST3500 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. It is also an affordable device with unrivalled fast data-transmitting capabilities.

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Jamming Detection
2G/3G Network
A multi-protocol OBD Tracker
Circular/Polygonal Geo-fence

- 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
- 2G/3G Network
- A muilti-protocol OBD Tracker compatible with a wide variety of OBD protocol in the world

Specification ST3500
Network Frequency 3G: 3G: 850/1900 MHz, 2G: 850/1900 MHz
3G: 900 / 2100 Mhz, 2G: 900 / 1800 MHz (Optional)
GPRS Multi-slot Class 12
Transmission Protocol TCP / UDP
Command / Report sent via SMS Supported
Back-up Server Supported
Setting Mode By PC, GPRS or SMS
GPS/Glonass Sensitivity Tracking -162 dBm
Reacquisition -160 dBm
Cold start -149 dBm
J1850(PWM or VPW) protocols
ISO9141-2 & ISO14230, K-Line
ISO14230-4 Keyword Protocol 2000
ISO 15765-4 protocols(CAN)
Housing Dimension 74(L) x 46(W) x 25(T) mm
Weight 70g (with back-up battery)
Power Supply DC 8 V ~ 33 V, Main power +/- inversion protection
Power Consumption Active mode current : 120~130 mA@12V
Sleep mode : Approx. 4mA @12V
Deep Sleep mode : Approx. 2mA @12V
Antenna Type Internal GPRS antenna, Internal GPS antenna
Motion Detection Built-in 3-axis accelerometer & 3-axis gyroscope
Data storage up to 2,000 locations, for lost coverage scenario
Back-up Battery Rechargeable 3.7V, Li-Polymer 350mAh
Electric Protection ESD Protection, Overvoltage Protection
Operational Temperature Range -30˚C ~ +80˚C
Certificates CE, FCC, PTCRB