ShenZhen V-Sun Electronics Co., Ltd
6
Chapter 2 General Introduction
2.1 Appearance
（
Figure 1
）
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2.2 Functions
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Guardianship party can get the location information directly through SMS query, you can
choose to use monitoring system and non-use monitoring system.
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Call ,dual-entry call function.
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Auto-answer
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Low-power alarm
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SOS Emergency Alarm
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GPS timing function
2.3 Hardware
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Charging voltage
：
110-220V
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Working temperature -20°-—65°
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Humidity: 5%-95%
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Limited working temperature
：
-30°C -- -40°C, +80°C-- +85°C
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Storing temperature
：
-45°C -- +90°C
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Start-up time, hot start: <1.5s Warm start: <34s Cold start: <35s(Autonomous)
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Accurate positioning: 3.0 m 2D-RMS , DGPS: 2.5 m
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Speed Positioning: 0.1m/s, DGPS:0.05m/s
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Power consumption: standby 48mA
（
Depending on the system network state and the user’
s operation method
）
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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
