1. Chip: ASR3603S
2. Supported network frequencies: GSM \ WCDMA \ FDD-LTE \ FDD-TDD
3. Band B standard version: 4G-FDD：Band 1/2/4/5/7/12/17/28A, 3G-WCDMA：Band 1/2/5, 2G-GSM：Band 2/5
4. Standby mode: Nano SIM single card
5. GPS signal: L1, 1575.42MHz C/A code
6. Number of GPS channels: 22 channels
7. GPS accuracy: 5-15m
8. AGPS fast positioning time: positioning within 26 seconds after cold start
9. LBS accuracy: 100-1000m (based on Amap database)
10. WiFi standard: 802.11b\802.11g\802.11n
11. WiFi accuracy: 5-50M (based on Amap database)
12. Battery capacity: 600mAh
13. Average operating current: -20 degrees Celsius to 70 degrees Celsius
14. Operating humidity: 5% to 95%
15. Waterproof grade: IP67
16. Supports historical route query, phone call, SMS text command, location drift processing, remote voice monitoring, two-way voice call, ringtone search tracker, alarm list and other functions