low power consumption gps manufacturer

[ low power consumption gps manufacturer    ]     IDD-213G, it is Car diagnostic scanner for J1939 commercial car  , it can read car engine parameters from car ECU like car fault codes, fuel consumption, RPM, ECT, MAP,etc. External GPS is optional for real-time monitoring car location and gps tracking.    All location and OBD diagnostic info. will be sent to Google map web-based software, Andriod, iOS app by GPRS.                --------------------------------------------------------------  Application --------------------------------------------------------------------   Fleet management and Vehicle Tracking Car service shops/car delears Insurance company Car rental company
       ----------------------------------------------------------------- Functions ---------------------------------------------------------------------  

Plug-and-Track	All Standard OBD II/EOBD vehicles Compliant
GPS and GSM(LBS) Tracking	J1939 and J1708 Truck, Bus Compliant
Real-time Tracking	Diagnostic Trouble Code Scanner
Track by SMS/GPRS TCP&IP	Fuel Consumption
Mileage Statistic	Vehicle Speed
24,000 GPS data storage	RPM
Google Map link SMS reply	PIDs Monitoring
Safety/Economic Driving Anaysis	Engine Coolant Temperature
Track by time interval	Unplug Alarm
Freeze Frame Data	Speeding Alarm
SMS/Email Alarms remind	Hard acceleration Alarm
Vehicle battery Monitor	Hard deceleration Alarm
Ignition on/off Detection	Fatigue driving Alarm
Three-axis G-sensor	High ECT Alarm
Fuel Consumption Report	High RPM Alarm
Location Report	Hard braking Alarm
Trips Report	Low power Alarm
Sharp turn Alarm (option)	Idle engine Alarm
Quick lane changing Alarm (option)	Illegal Towing Alarm
Collision Alarm (option)	Geo-fence Alarm
RFID Reader (option)	SOS button / GPS error Alarm
OTA	Excessive Exhaust Emission Alarm

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Mechanical	Size		63mm (L) x 50mm (W) x 28mm (H)
	Weight		50g
Data transmission			GPRS/SMS
Storage			2MB FLASH,up to 24,000 GPS data storage
OBD protocol			SAE J1850 PWM
			SAE J1850 VPW
			ISO 9141-2
			ISO 14230-4
			ISO 15765-4
			SAE J1587/J1708/SAE J1939
Working Voltage			9-36VDC
Backup battery			3.7V/120mAH
GPS			Channels: 50
			Sensitivity: -160dBm
			Accuracy: 5m CEP
GSM			Frequency: 850/900/1800/1900MHz
			Network protocol: Embedded TCP/IP stack
3 axis Accelerometer			+/-2g, +/-4g, +/-8g, +/-16g, driving behavior detection
Certification			FCC/CE/E-mark/Design Patent