Chapter 2 General Introduction
2.1 Appearance
（Figure 1）
¾ 2.2 Functions
¾ Guardianship party can get the location information directly through SMS query
¾ Call ,dual-entry call function.
¾ Auto-answer
¾ Low-power alarm
¾ SOS Emergency Alarm
¾ GPS timing function
2.3 Hardware
¾ Charging voltage：110-220V
¾ Working temperature -20°-—65°
¾ Humidity: 5%-95%
¾ Limited working temperature：-30°C -- -40°C, +80°C-- +85°C
¾ Storing temperature：-45°C -- +90°C
¾ Start-up time, hot start: <1.5s Warm start: <34s Cold start: <35s(Autonomous)
¾ Accurate positioning: 3.0 m 2D-RMS , DGPS: 2.5 m
¾ Speed Positioning: 0.1m/s, DGPS:0.05m/s
¾ Power consumption: standby 48mA（Depending on the system network state and the user’
s operation method）
¾ Charging port: DC 5V 3A
2.4 Appearance Introduction
There are five keys on the terminal. The upper left green button is used to turn on/off the
device, the lower left blue button is the mode (interface) shifting key, the upper right button
6
To Next Page