RF-V52-B 1.85 inch Screen GPS Smart Tracker WatchBand Support SOS Call / Health Monitoring For North America / South America(Red)

The RF-V52-B is a GPS smart tracker watchband designed for health monitoring and SOS call support. It operates on multiple network frequencies and includes various features for tracking and communication.

• Chip: ASR3603S
• Supported network frequencies: GSM, WCDMA, FDD-LTE, FDD-TDD
• 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
• Standby mode: Nano SIM single card
• GPS signal: L1, 1575.42MHz C/A code
• Number of GPS channels: 22 channels
• GPS accuracy: 5-15m
• AGPS fast positioning time: positioning within 26 seconds after cold start
• LBS accuracy: 100-1000m (based on Amap database)
• WiFi standard: 802.11b, 802.11g, 802.11n
• WiFi accuracy: 5-50M (based on Amap database)
• Battery capacity: 600mAh
• Average operating current: -20 degrees Celsius to 70 degrees Celsius
• Operating humidity: 5% to 95%
• Waterproof grade: IP67
• Supports historical route query
• Phone call and SMS text command functionality
• Location drift processing
• Remote voice monitoring
• Two-way voice call
• Ringtone search tracker
• Alarm list and other functions