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S2+（4G）
Smart sutdent E-card
Chipset ：8910 DM
SIM：Nano Sim
LCD ：1.54 -inch IPS 240 * 240
Flash Memory：16 MB ROM +16MB RAM
Capacity：1200mAh
Charger：5V/500mA
Charging time：2-2.5hours
Use time：about 5 days
Offline standby time：about 7days
Multi positioning：GPS/BDS/WIFI/LBS
USB：TYPE－C
Size：60.7X106.5X10.8mm
Weight：61g
Network Standard：4G TDD-LTE FDD-LTE/GSM900/1800
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MoreProduct model S2+(smart sutdent E-card) Chipset 8910 DM SIM Nano sim LCD 1.54 -inch IPS 240 * 240 Flash Memory 16 MB ROM +16MB RAM Battery 1200mAh Charger 5V/500mA Charging time 2-2.5hours Use time about5 days Offline standby time about7days Multi positioning GPS/BDS/WIFI/LBS USB TYPE－C Size 60.7X106.5X10.8mm Weight 61g Network Standard 4G TDD-LTE FDD-LTE/GSM900/1800 Suitable for students/sanitation workers/scouts Support function 4G network、3 favourite contacts、white list(5 or 20)、multi positioning（GPS/BDS/WIFI/LBS）、geofencing、Class disabled、SOS、 Voice call、 homework,timetable or school notes pushing、school Ecard、remote monitoring、movement track、Clock、weather report 、RFID for attendance record（optional）、 Motor(optional)