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GPS Tracker


4G LTE Car Vehicle GPS Tracker Device SKG1001

SKG1001 is a 4G full frequency or 4G LTE full frequency GPS tracker, designed for extensive vehicle tracking. Built-in GPS antenna, high sensitivity, fast positioning speed.

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Racking System Web +APP+SMS
GPS Frequency 1575.42 MHz
Dimension(L×W×H) 100*54*17 mm

SKG1001 is a 4G full frequency or 4G LTE full frequency GPS tracker, designed for extensive vehicle tracking. Built-in GPS antenna, high sensitivity, fast positioning speed. It has 4 digital inputs (2 positive triggers, 2 negative triggers), 2 digital outputs, 1 serial port, 2 analog inputs, etc. It can be applied to more flexible and complex project requirements.


Functions Description
Communication Location data transmission GPRS network (TCP/UDP)
 Command-SMS/GPRS network/serial port
Location Tracking Real-time location monitoring/query
Movement tracking (time interval)
Stop line (time interval)
Track by distance
Turn report
GPS Mileage GPS mileage report/GPS mileage coefficient is adjustable
Geofence 25 rectangular geofences
Alert (event) SOS alarm (SMS/GPRS network)
Main power cut off (SMS/GPRS network)
Ignition report (GPRS network)
Speeding alarm (GPRS network)
Geo-fence alarm (GPRS network)
Traction alarm (GPRS network)
Emergency brake alarm (GPRS network)
Acceleration alarm (GPRS network)
Input/Output 4 digital inputs: ignition detection, SOS button, 1 reserved positive trigger (air

conditioning), 1 reserved negativetrigger (door detection)

2 Digital output: fuel pump/engine circuit break or buzzer

Other 1 serial port (RS232)Support cameras, temperature sensors, fuel level sensors,etc.

2 analog input Support load sensor, fuel level sensor (0-5V voltage output)

Blind Spot When the data is in the buffer zone, it is in the blind zone of the GPRS network. 5K-40K historical blind zone data can be selected, and the default is 5K.
Initialization Initialize tracker parameters via SMS/GPRS network/serial port
Upgrade Upgrade firmware via OTA or serial port
Parameter Description Performance Evaluation
Gift Box Dimension 177*120*50mm
Tracker  Dimension 100*54*17 mm
Tracker Color Black
Weight Tracker weight:0.08kg
Power Supply DC 9V -- 55V/1A
Working current <200 mA(DC 12V)
Processor ARM7
Back-up battery Built-in 300mAh, support 2 hour working when fully charged.
Operating temperature -40℃ --85℃
Operating humidity 5% -- 95%
LED Light indicators Green led light indicate GPS status

Red led light indicate GPRS Network status

Blue led indicate power status

Power Switch 1 Backup battery switch on Mainboard
I/O Ports




4 digital inputs

Ignition detecting– positive trigger
SOS detecting-negative trigger
Input1 (Reserved)- positive trigger
Input2 (Reserved)- negative trigger
2 digital output Fuel pump/engine circuit cut
Others 1 serial port(RS232)  2 Analog input
GSM Module


Frequency Depending on the operator and module

model in each country

EC25-A (North America)

LTE FDD: B2/B4/B12


GSM/EDGE: -EC25-E (EMEA,Korea,Thailand,India)

LTE FDD: B1/B3/B5/B7/B8/B20



GPS Module Chipset Gotop GT-1612-MTR (MT3337)
Positioning accuracy < 5m (95%)
Cold start time < 23s(in average)
Warm start time < 3 s (in average)
Acquisition Sensitivity -165dbm
Acquisition channel 66-channel
GPS Frequency 1575.42 MHz

SKG1001 device is not like GPS navigator, it cannot work independently, it must work with GPS tracking system.



1. who are we?
We are based in Guangdong, China, start from 2006,sell to North America(30.00%),Eastern Europe(15.00%),Western Europe(15.00%),Northern Europe(14.00%),Oceania(5.00%),South Asia(5.00%),Domestic Market(5.00%),South America(4.00%),Southeast Asia(3.00%),Africa(00.00%),Mid East(00.00%),Central America(00.00%),Southern Europe(00.00%).
2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;