I. Brief Introduction
V520 portable GPS tracker is a mini remote positioning tracking device based on GPS technology and GSM/GPRS technology. It receives the latitude and longitude of the user's location through cell phone messages and then locates the tracker on Google Map or other digital map software; or positioning data is uploaded by the tracker to the specified server through GPRS, and the user may search the real-time position and historical track of the tracker on the internet. II. Product characteristics 1. Built-in high-performance GPS chipset enables the product to provide accurate positioning in the event of weak signal and to work normally in urban area, valleys or other sight-limited districts.
2. Built-in GSM/GPRS model supports GSM900/1800MHz (850/1900 MHz), thus it can work throughout the world.
3. It supports SMS communications or GPRS TCP connection, and receives position information through cell phone message or used to look into movement track on internet.
4. It provides SOS function.
5. It is equipped with highly reliable electric circuit design and complies with GSM cell phone international standards.
6. It is portable, mignon and low power consumption.
III. Usage
1. Specifications
| Hardware | Parameter |
| GSM module | MTK GSM/GPRS chipset GSM 900/1800 , or GSM 850/1900 double frequency Supports TCP protocol |
| GPS chip | GPS chip set with high sensitivity |
| GPS sensitivity | -160dBm |
| GPS frequency | L1,1575.42MHz |
| Code | C/A Code |
| Channel | 210-channel, omnibearing tracking |
| Position accuracy | 10 meters, 2D RMS |
| Speed accuracy | 0.1m/s |
| Time accuracy | 1us and synchronous with GPS time |
| Coordinates | WGS-84 |
| Reacquisition | 0.1s on average |
| Hot start | 1s on average |
| Warm start | 38s on average |
| Cold start | 42s on average |
| Altitude Limit | Maximum 18,000 meter (60,000 feet) |
| Velocity limit | Maximum 515m/s (1000 knot) |
| Acceleration Speed limit | Less than 4g |
| Working temperature | -25℃to 70℃ |
| Humidity | 5%~95% non-concretion |
| Dimension | 95mm×46mm×18mm |
| Voltage | 1300mAh, rechargeable battery(3.7V) |
| Charger | DC 5V |
2. LED status description
2.1 Green LED ---- GPS status indicator
| Status | Description |
| Off | GPS unavailable |
| Quick flash | GPS available |
3.2 Blue LED ---- GSM status indicator
| Status | Description |
| Quick flash(2s/time) | No SIM card or GSM network |
| Slow flash (8s/time) | GSM works normally |
| Quick flash | Video communication or GSM connection |
3.3 Red LED ---- charge indicator
| Status | Description |
| Normal light | Under charging |
| Weak light | Charging completed |
IV. Product accessories
1. One V520 personal tracker
2. One USB charging line
3. One car charger or mobile charger
4. Instruction manual (CD)
