接头类型
3G/4G sim卡, 5G sim卡, 2G sim卡
Product name
fall detection sos 4g elderly smart watch gps tracker
Targeting
GPS+Beidou+WIFI+LBS Multi modal positioning
GPS channel number
22 channels
Operating temperature
-20℃ ~ +70℃
Working Humidity
5% to 95% not solidified