是否智能( 可连接Bluetooth, Zigbee, NFC, Wi-Fi, LiFi, 3G等)
不支持
GSM Frequency
Quad-band 850/900/1800/1900 MHz
GPS chip
Built-in high accuracy ceramic GPS chip
Function
Track, Playback, Fence,Message...ect
Positioning methods
GPS+LBS+AGPS+Wifi
Tracking system
Multiple APP/Web/SMS
OEM/ customization
Acceptable