1.GPS track positioning
2.SOS a button for help
3. The family number call
4. Special circumstances Listener
5. pedometer
6. Watch off alarm
7. Low battery alert
8. 9. Remote Shutdown Micro chat
10. carry out of school 2.4G smart remote attendance
11.13.56MHz electronic tags, consumer electronics
Shell Material food-grade silicone material
Size 43.5mm (length) × 45mm (width) x15.5mm (thickness)
Weight 41.5g
Features
The main chip MTK6261D
FLASH 32 + 32
Band GSM 900 / 1800MHz
GPRS Class12
GPS chip UBX-G7020-KT
GSM antenna built-in two-frequency
GPS antenna built-in ceramic GPS antenna
GPS Number of channels 56 channels
-161dBm Tracking sensitivity
Acquisition sensitivity -147dBm
Cold start positioning time ≤60 seconds ≤15 seconds hot start
GPS positioning accuracy of 2 meters (under open conditions)
Application Environment Operating Temperature: -20 ° C to + 70 ° C Operating humidity: 5% ~95% RH
RFID 2.4G remote sensing 13.56MHz RFID, consumer electronics
Battery capacity 400mah
Standby time 20 hours
Operating voltage / current 3.4V-4.2V Average Standby shut GPS GPS 3.5mA average current of 50mA Open