Sinotrack ST-915 - Hardware Overview and Components

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2. Hardware Description (ST-915 as example)
1. USB port 2. Indicator light 3. SIM card slot
4. Silicone plug 5. Induction Sensor 6. Strong Magnet
INDICATOR LIGHT STATUS
MEANING
Yellow light -Solid
GPRS connection
Yellow light -Flash
No GPRS signal
Blue light -Solid
GPS connection
Blue light -Flash
No GPS signal
Note: GSM SIM CARD INSTALLATION GUIDE:
Only GSM SIM card works in this model
If you use 3G or 4G card, please confirm it should has GSM function.
Please confirm the SIM Card without PIN Code.