1.Quar-band GSM supported
2.Dual-way talking

1.GPS positioning,automatic change positioning mode when indoor
2.GSM/SMS communication and GPRS TCP/UDP connection
3.Support LBS, can still track indoor subject when the GPS signal is blocked.
4.Low  power  consumption,  built-in  intelligent  sensor  for  power saving, working mode can be set by SMS.
5.Quickly receive signals.
6.Real-time tracking with intervals settable.
7.GEO fence
8.Support alarm and remote monitoring.
9.Two quick dialed keys.
10.Tracking through SMS and web platform.
11.SOS emergency call and upload the location to the web platform.
12.Support speeding alarm by SMS.
13.Built-in MIC, support dual-way talking.
14.GPRS, SMS double channels.
15.Built-in GPS flat panel active antenna, GSM FPC antenna.
16.Battery replaceable,easy to charge and change,800mA lithium battery.
17.Light weight and portable.