1. Common functions: Positioning, one-way audio, GPS fence,WiFi fence, navigation
2. Special functions: Sensor lights, step counting, finding pet alarm, IP67 waterproof
3. Network: 4G+3G+2G
4. Positioning type: GPS, WiFi, LBS
5. Standby time: 60h
6. Language: English, Chinese
7. Application scenarios: Pet dog, pet cat, pet pig, pet rabbit etc,
working dog: Hound, sniffer dog etc,
special crowd (dementia, disability, blind people etc).
8. Frequency band:
- FDD frequency band: Band 1/3/5/7/8/20
- TDD frequency band: Band 38/39/40/41
- GSM frequency band: Band 2/3/5/8
