Suntech ST3940 (with its holder) is a water-resistant (IP66 compliant) rugged, hard-cased multi-purpose mini 3G tracking device for a variety of uses such as asset tracking, vehicle/motorcycle tracking, and personal tracking. The ST3940 works autonomously by using its built-in battery(1500mA, 3000mA) and its superior internal antennas for both of 3G network and GPS.

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- Network: GSM, UMTS
- Extremely low power consumption
- Low battery alert
- Built-in 3-axis accelerometer and motion detector
- Maintenance Server Supported (optional)
- Waterproof Compliant: IP66 (with holder), IP65 (without holder)

Asset Tracker 3G
Specification ST3940
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
Support all 4 coding schemes (CS-1, CS-2, CS-3 and CS-4)
Transmission Protocol TCP / UDP
Setting mode By PC, GPRS or SMS
Command / Report sent via SMS MT/MO PDU / Text mode, SMS over SG/NAS
Back-up Server Supported (via dual IP)
GPS/Glonass Sensitivity *3) Tracking -167 dBm
Reacquisition -161 dBm
Cold start -149 dBm
Housing Dimension 75(L) x 50.5(W) × 32.5(T) mm (3,000mAh, without holder)
88.3(L) x 55.9(W) x 35.6(T) mm (3,000mAh, with holder)

75(L) x 50.5(W) × 22.5(T) mm (1,500mAh)
Weight 113g (With 3,000mAh)
81g (With 1,500mAh)
Dust and Water Resistant IP65 (without holder) / IP66 (with holder)
Power Supply with Li-ion rechargeable battery
User Interface Power button, Panic button
Charger adaptor, Charger cable
LED Status Indicator GPS signal, 3G/2G signal, Battery Charging status
Power Consumption Active mode : 40~60mA
Sleep mode : Approx. 3.5mA
Deep Sleep mode : Approx. 15uA
Antenna Type Internal 4G/2G antenna, Internal GPS antenna
Motion Detection Built-in 3-axis accelerometer
Battery Rechargeable 3.7V, 3000mAh Li-ion Battery
Operational Temperature Range -20˚C ~ +60˚C
Certificates CE, RoHS
We can provide highly customizable devices. Based on the functions available on the device, more functions can also be optionally available to meet specific needs of the users requiring customization. In addition to the basic functions of the standard version, some of functions can be included as optional items.

ST3940B (Bigger Battery) ST3940BT (Bigger Battery+Bluetooth)