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GM902 GPS Tracker Vehicle Location System (GPS+GSM+GPRS) Waterproof Anti Fall alioffer

Ali Offer International Business Co.,Ltd
Ali Offer International Business Co.,Ltd
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Contact Person:
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GM902 GPS Tracker Vehicle Location System (GPS+GSM+GPRS) Waterproof Anti Fall alioffer

Brand Name : alioffer
Model Number : GM902
Certification : CE
Place of Origin : China
MOQ : 1
Payment Terms : MoneyGram,T/T,Paypal,WU
Model Name : GM902
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Technical parameter



3). Working Voltage:9-36V DC

4). Working current:≈22mA (12vDC)

5). Working current:≈12mA (24vDC)

6).GPS locating time:Cold start≈38s(Open sky)Warm start≈32s

Hot start≈2s(Open sky)

7).GPS Precision:10m(2D RM)

8). Working temperature:-20℃~+70℃

9). Working humidity:20%~80%RH

10). Measurement:87(L)×43(W)×14(H)mm

Device status indicators

4.1 The left led(power/working state)

Connect DC 9-36V power supply and the red LED will light continuously.

4.2 The yellow green LED(GPS signal state)

GPS not fixed,the yellow green LED glistens . GPS has fixed, the LED lights continuously.

4.3 The intermediate blue LED (GSM signal state)

GSM signal is normal, blue LED light long bright. No GSM signal, the blue LED flashes.

GSM LED no signal, flashes(0.2 sec/2 sec),Signal normal long bright;

Power LED: long bright;

All LEDS will turn off after 5 minutes. When there is a new call, the LEDs will relight and turn off 5 minutes later.


5.1 Preparation for the installation

5.1.1 Product Check. Open the packing box and check the device‘s model and accessories. If the model is wrong or the accessories not complete, please contact the dealer.

5.1.2 Choose SIM card. Please insert a SIM card to the device. Please take dealer’s advice as reference.

5.1.3 SIM card installation. Discharge the cover of the device and uncover the SIM card holder. Then insert the SIM card and cover SIM card holder (as follows).

5.1.4 Put back the front cover and screw it up.

5.1.5 Connect the device to the 9-36V power supply.(the red LED constant glow)

5.1.6 Install the device in the hidden place of the car with double-sided adhesive or tie wires;

Note: don't install backwards the terminal GSM card

The GSM card must be with GSM function and enough deposit.

If your GSM card need input PIN when power on, please referr your phone's user manual and cancel it.

5.2 Choose the location to instal the device

The GPS tracker must be installed under professional personnel.


1) Please install the device in the hidden place as followings:

Under the decorative sheet of the front windshield;

Arroud the front instrument panel (the skin is non-metallic materials;

Under the decorative sheet of the back windshield;

2) Avoid being placed with signal radiators like reverse sensor ,burglar alarm and other Vehicular communication terminal;

3) The device has GSM antenna and GPS antenna inside. Please ensure the receiving side of the device is face up

and without metal cover.(GPS signal receiving side is which side has signalindicator light)

Note:The metal cover sticked on the windshiedl will lessen the receiving of GPS signals.,that will result in GPS working

abnormal ,then please change the Installation Location of the device.


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