Features

• Built-in GSM/GPRS module. Support GSM 850/900/1800/1900 MHz with network GSM or GPRS, works in worldwide!
• Support SMS communication or GPRS TCP connection, but through SMS receiving position information, or on the Internet view trajectory.
• Support check location and real-time and historical records by SMS or Internet(smart phone or computer).
• Built-in JRC high-performance GPS chipset. In situations of weak signal TLT-2F can be accurate positioning; It can even work well in urban canyons of such limited sky view area.
• Excellent for fixing the position even at a weak signal status, work well even in areas with limited sky view like urban canyons.
• Support single location and continuous tracking by SMS and GPRS 
• Support alarm(Over speed alarm and Geo-fence alarm and Low battery alarm.), have 3 preset phone number
• SOS button send out exact location for immediate rescue/action.
• Support Power, Oil Cut off and recovery
• High reliability circuit design, in line with the automotive electronics industry standards
• Very easy to operate and install 
• Built-in tremble sensor to save power from GPS module on/off 
• Alert when cut off external power 
• Save GPRS data and then upload to server up to 5,000 standpoints 
• Open GPRS protocol which will help you set up your own tracking server . 
• Waterproof, accord with the standards of industry IP65 and dustproof.

• GSM module: MTK Case, support 900/1800(850/1900 can option), Support the TCP protocol
• Network: GSM GPRS
• GPS Chipset: JRC chipset
• GPS sensitivity: -164dB
• C/A Code: 1.023MHz chip rate
• Channels: 210 channel all-in-view tracking
• GPS frequency: L1,1575.42MHz
• GPS Position Accuracy: 2.5 meters, CEP
• GSM Position Accuracy: Later will realize
• Velocity Accuracy: 0.1m/s
• Time Accuracy: Synchronized to GPS time
• Cold Start: 35sec.,average
• Hot Start: 1sec.,average
• Warm Start: 30sec.,average
• Altitude Limit: 18,000 meters (60,000feet) max.
• Velocity Limit: 515 meters/second (1000knots) max.
• Acceleration Limit: Less than 4g