Watch GPS Tracker system for person

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Product Description:

Watch GPS Tracker system for person    

Car Vehicle GPS Tracker GT06 Built-in vibration sensor (optional)

Products Introduction:

  • GSM 850/900/1800/1900 Quad bad

  • GPS chipset with high sensitivity, High integration density

  • Built-in high sensitivity GPS antenna, extra strong receptivity

  • The only one global vehicle device built in double antenna (GSM+GPS)

  • Built-in ON/OFF power, wide voltage input range

  • Built-in vibration sensor, perform vehicle intelligent robbery protection

  • ACC detection, to upload status of vehicle operation

  • Be able to external connect cutoff relay to perform gas and electricity telecontrol

  • 3 special numbers for SOS alarm and burglar alarm

  • Be able to external connect SOS alarm button for emergency call

  • Be able to external connect microphone to perform voice monitor

  • Built-in backup battery to perform (illegal)

  • Compatible with external connection of device serial port communication

Technology parameter:

Content

specifications

Weight

30g

Network

GSM/GPRS

Band

850/900/1800/1900Mhz

GSM/GPRS Module

SIM900B

GPS Module

SIRF3 chip

GPS Sensitivity

-159dBm

GPS Accuracy

5m

GPS Start time

Cold status  45s

Warm status  35s

Hot status  1s

Voltage of car power system

12 V -24V

Backup battery

Chargeable changeable 3.7V 1050mAh Li-ion battery

Storage Temp.

-40°C to +85°C

Operation Temp.

-20°C to +65°C

Humidity

5%--95% non-condensing

GPS chip

SIRF3 chip

GPS accuracy

5 -10 m


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Q:Principle and application of GPS
GPS principle is simply to determine the target coordinates through the navigation satellite, and then map coordinates to determine the specific location of the target. GPS positioning principle is based on the high speed motion of the satellite instantaneous position as the known starting data, the use of spatial distance resection method to determine the location of the point to be measured. The global positioning system is a radio space positioning system, it uses the navigation satellite and the ground station to provide all-weather and global high precision, continuous and real-time three-dimensional coordinates (latitude, longitude, elevation), three-dimensional velocity and location information anywhere on the earth's surface for positioning and navigation.
Q:GPS positioning is how to get offline
2, locator no cell phone signal.Dial the phone number through the phone locator, if the prompt can not be connected, not in the service area, this is the case. As far as possible to stop the car in a better signal environment. The positioner mounting position not too closed, do not have the metal of the block, installed on the car to rely on. In the underground garage, tunnel, remote occlusion and other areas without cell phone signal, will lead to the locator off line
Q:Car GPS positioning tracker shows how offline
Usually the following situations will lead to offline: 1, locator shutdown, power off. Dial the phone number through the phone locator, if prompted to shut down, this is the case. Check locator power supply line is not a problem, there is no power. Power supply voltage, current is not installed in the locator voltage, current range. Locator body on the three indicator is not completely bright.
Q:What is the role of GPS
Other applications of GPSIn addition to GPS for navigation, positioning, measurement, the GPS satellite system space contained accurate clock time and frequency information can be released, therefore, the accurate clock space satellite based on the ground control station, the precise time and frequency of transmission is another important application of GPS, application of the control function for precise time or frequency, engineering experiments for many services. In addition, GPS can also use the meteorological data obtained, some experiments and engineering applications.The global positioning system GPS is the development of this year one of the most high-tech pioneering, its global, versatile, navigation, weather all day long timing, speed advantages will be more and more widely used in many fields. In developed countries, GPS technology has been applied in transportation and traffic engineering. At present, the application of GPS technology in China road engineering and traffic management has just started, with the development of Chinese economy, research and application of high grade highway construction and the rapid GPS technology gradually thorough, its application in road engineering will be more extensive and in-depth, and play a bigger role.
Q:What is the principle of automobile positioning system?
It can be seen that the role of the GPS navigation satellite system is to continuously transmit navigation messages. However, because the user receives the clock and satellite machine using a carrier clock may not always synchronized, so in addition to the 3D coordinates of X, y, Z users, but also the introduction of a t that is the time difference between the satellite and the receiver as unknown, and then use the 4 equation the 4 unknowns out. So if you want to know the location of the receiver, at least to receive the signal of 4 satellites.The GPS receiver may receive for accurate timing information to nanosecond time; for forecasting ephemeris in the next few months which the approximate location of the satellite; used to calculate the required positioning satellite coordinates of the broadcast ephemeris, the accuracy of several meters to tens of meters (each satellite is different at any time change) and GPS system information; such as satellite status.The GPS receiver can get the distance from the satellite to the receiver by the measurement of the code, because it contains the receiver satellite clock error and atmospheric propagation error, it is called the pseudo distance. The pseudo distance measured by the 0A code is called the pseudo distance of the UA code, the precision is about 20 meters, the pseudo distance measured by the P code is called the pseudo distance of the P code, and the precision is about 2 meters.
Q:GPS locator what brand is good RF
A5E GPS locator MINI-W electric car / motorcycle GPS Beidou Positioning Terminal, GPS positioning terminal, ACAR Bluetooth anti tamper blind wireless GPS, KM01 remote power off the oil vehicle GPS positioner, OBD vehicle positioning diagnostic instrument, BCAR composite anti demolition type GPS positioner, OBD vehicle positioning instrument. Ali can see
Q:What are the four global positioning systems?
China's Beidou satellite navigation system and the United States, GPS, Russia's Glonass, the European Galileo (Galileo) and known as the world's four largest satellite positioning system.
Q:Millet 3 update system, GPS positioning in which settings?
The following is the specific operation into the millet 3 mobile GPS positioning settings:1, open the phone, and then enter the settings.2, and then select the other advanced settings to enter, click Security privacy.3, and then enter the location information, and then select the settings you need to locate the GPS.
Q:How to pay for the satellite locator on the car, how much to pay?
Direct charge to the flow of the card can be, as the phone recharge
Q:GPS locator that platform is goodGPS locator that platform good?
1, is not the same, different manufacturers of the products are very different, the price difference is very big, there is also a difference in quality, the product design is not so simple, such as appearance, shell, circuit, components, batteries, chips, low-priced products can be purchased inferior goods, conscience products will buy high-end goods, finished goods the cost price will be different, you can think of the low-priced products where the cost of province.2, GPS locator operation is the need to rely on the platform, but the platform is not your imagination of so far, first, it is a set of system and mature a server, as long as the system maintenance, server operation is stable, there will be no problem, in fact, basically no problem positioning platform. General problems arise in the quality of the product.3, I often use GPS positioning products, Rui Feng Huizhi workmanship and materials are among the highest in the industry.4, their products are not only sold in the country, but also in the global sales, and even positioning platform and software are to support multi language, can be assured that the use of.The above four points is a little understanding, I hope to help you

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