1. How is the GPS positioning system positioning

The 24 GPS satellites run around the earth at a high altitude of 12,000 kilometers from the ground, so that at any moment at any time, any at all at the ground can be observed at the same time.

Because the position of the satellite is accurate, in the GPS observation, we can get the distance from the satellite to the receiver. Using the distance formula in the three -dimensional coordinates, the three satellites can be used to form three equations to solve the position of the observation point (x X, y, z).Considering the error between the clock of the satellite and the receiver clock, there are actually 4 unknown, X, Y, Z, and clock difference, so the 4th satellite needs to be introduced to form 4 squares to solve, so as to obtain the observation point of the observation pointLavels and heights.

In fact, the receiver can often lock more than 4 satellites. At this time, the receiver can be distributed into several groups according to the satellite constellation, and each group is 4, and then the group with the smallest error is selected by the algorithm for positioning, thereby positioning, so asImprove accuracy.

Due to the errors of satellite Running tracks and satellite clocks, the impact of atmosphere on the signal of the flow layer, the ionization layer on the signal, and the artificial SA protection policy, the positioning accuracy of the civil GPS is only 100 meters.In order to improve the positioning accuracy, the differential GPS (DGPS) technology is generally adopted to establish a reference station (differential table) for GPS observation. The accurate coordinates of the known benchmark station are used to compare the observation values to obtain a correction number and release it outside the outside world.EssenceAfter receiving the correction number, the receiver compares it with its own observation value, eliminates most of the errors, and obtains a more accurate position.Experiments show that the positioning accuracy can be increased to 5 meters by using differential GPS.

vehicle navigation system is mainly composed of navigation hosts and navigation display terminals.The built -in GPS antenna will receive at least 3 data information transmitted from 24 GPS satellites surrounding the earth, thereby determining the current location of the car.The navigation host is matched with the electronic map data determined by the GPS satellite signal to determine the accurate location of the car in the electronic map.

On this basis, various functions such as driving navigation, route recommendation, information query, and playback AV/TV will be realized.Drivers only need to watch the screens on the display and listen to voice prompts, and manipulate the remote control in the hand to achieve the above functions, so as to drive easily and freely.

Global Positioning System is the second -generation satellite navigation system in the United States.It was developed on the basis of the Ziwuyi satellite navigation system, and it adopted the successful experience of the Wuwuyi system.Like the Ziwuyi system, the global positioning system consists of three parts: space part, ground monitoring, and user receiving machines.

According to the current plan, the space part of the global positioning system uses 24 satellites with a height of about 20,200 kilometers to form a satellite constellation.21 3 satellites are near -circular orbit, and the operating cycle is about 11 hours and 58 minutes. It is distributed on the six orbit planes (four on the surface of the orbit), and the orbital inclination angle is 55 degrees.The distribution of satellites allows more than four satellites at any time around the world at any time, and can maintain a good positioning and solving geometric graphics (DOP).This provides continuous global navigation capabilities in time.

The ground monitoring section includes four monitoring stations, one upward injection station and a main control station.The monitoring station has a GPS user receiver, atomic clock, a sensor collected by local weather data, and a computer that processes preliminary data.The main task of the monitoring station is to obtain satellite observation data and send these data to the main control station.The main control station is located at the Vanden Fort Air Force Base.It implements comprehensive control of the ground monitoring department.The main task of the main control station is to collect all observation data of the GPS satellites in each monitoring station, and use these data to calculate the orbit and satellite clock of each GPS satellite.The upward injection station is also located at the Vanden Fort Air Force Base.Its task is mainly to inject such navigation data and the instructions of the main control station into the satellite when each satellite runs to the sky.This injection is performed once a day for each GPS satellite and the final injection before the satellite leaves.

The global positioning system has the characteristics of good performance, high accuracy, and wide application. It is by far the best navigation positioning system.With the continuous improvement of the global positioning system and the continuous improvement of software and software, the application fields are continuously developing. At present, the various departments of the national economy have begun to gradually penetrate people's daily life.

2. Positioning principle of GPS navigation

d1 = [(x1-x2)^2 (y1-y2)^2 (Z1-Z2)^2]^1/2 c (vt1-vt0)

d2 = [(x2-x)^2 (y2-y)^2 (Z2-Z)^2]^1/2 c (vt2-vt0)

d3 = [(x3-x)^2 (y3-y)^2 (Z3-Z)^2]^1/2 c (vt3-vt0)

d4 = [(x4-x)^2 (y4-y)^2 (Z4-Z)^2]^1/2 c (vt4-vt0)

In the above four equations, the coordinates of the measuring point X, Y, Z, and VTO are unknown parameters, where DI = C TI (i = 1, 2, 3, 4).

DI (i = 1, 2, 3, 4) is satellite 1. Satellite 2, satellite 3. Satellite 3. Satellite 3, satellite 4 to receiver.

TI (i = 1, 2, 3, 4) is satellite 1. Satellite 1. Satellite 2. Satellite 2, satellite 3, and satellite 4 signals to reach the time of the receiving machine.

C is the speed of transmission of GPS signal (ie, the speed of light).

The meaning of each parameter in the four equations is as follows:

X, Y, and Z is the spatial right -angle coordinates of the coordinates to be tested.

XI, Yi, Zi (i = 1, 2, 3, 4) are satellite 1. Satellite 1. Satellite 2. Satellite 2, Satellite 3, Satellite 4's spatial right -angle coordinates at the time of T, can be obtained by satellite navigation.

VT I (i = 1, 2, 3, 4) is satellite 1, satellite 2, satellite 3. Satellite 3, and satellite 4 satellite clocks, which are provided by the satellite star calendar.

VTO is the bell of the receiver.

From the above four equations, the clock vTO of the coordinates of X, Y, Z and the receiver at the above four equations.

The basic positioning principle of GPS is: satellite sends its own star parameters and time information uninterrupted. After receiving this information, the user receives the three -dimensional position, three -dimensional direction, and time information of the receiver.

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[GPS positioner tracker] How to install the installation method of automobile GPS positioner, how to install the GPS locator

The installation method of car GPS positioner

Many novices for the first contact with the GPS locator of the car, which is unknown to the installation of GPS, which has led to the disorderly installation, causing the product function to be incompletely realized, or the accuracy of the positioning is not as described as the manufacturer, which affects the wiring problem.What to do if you can't wiring.There are the most comprehensive introductions below.

1. Finding method of power cord

The electric source line is generally found in the inside of the decorative board under the steering wheel and the central electrical box wire beam. It is directly connected to the positive electrode of the battery when conditions permit.The DC voltage of the normal work of the car is 10 ~ 36V.The power cord has electricity in any state in any state.

Finding method: Pull out the key, find the thickest thicker, use the test light (or test pen) to use one end of the iron, and the other end to test on the connector of the line.If the test Lights are always bright, it means that the line is the power cord.

2. Finding method of ACC signal line

The ACC line is generally found in the inside of the decorative board under the steering wheel and the central electrical box line.The ACC signal line is the main basis for the host to determine whether the vehicle is in a starting state.

Finding method: Find a thicker line in the ignition switch line, use the test light to use the iron end to the iron, and the other end is tested on the connector of the line: when the ignition switch is hit to the "ACC" or "ON" file, the test Lights are bright;After turning off the ignition switch, the test light is destroyed. This connection is the ACC line.

3. Finding method of turning to the light line

The turning light line is generally found in the inside of the decorative board under the steering wheel, the central electrical box line beam, and the left and right front door inside line.Most models are left and right lines, but there are also very few models divided into four lines of front, rear, left, and right.

Finding method: Because the colors of the left and right Lights of small lamps, brake Lights, and reversing Lights are the same, they can be combined at the front and rear Lights to compare the color of the left and right lines to find the turning light line to see its color and size.Find the same color line.Use one end of the test light to take the iron and the other end on the line. When turning on the left or right turning light switch, use the test lamp to try this line.Light line.The other way to find the light line is the same.

Note: The turning light lines of some models (the turning light controlled by the module) cannot be confirmed on the wire beam under the switching of the turning light, and it can only be found in the same way in the central electrical box wire beam and the left and right front door beams.For models controlled by the front and rear turning Lights, it is recommended to connect the lines of the rear turning light to the line of the original car.This wiring method is settled by defense, and only the back to turn on when the defense can be turned on.

4. Finding method of the brake line

The brake line can be found at the brake light switch above the foot brake.

Finding method: Find the brake light switch, use one end of the test light to use the iron, and the other end at the switch joint.One of the lines should be constant electricity, and the other has electricity after stepping on the foot brake, and the line that has no electricity after loosening the foot brake is the brake wire.

5. Finding method of oil -breaking wires

The car oil wires are connected in the oil pump positive line.The characteristic of the positive line of the oil pump is that the ignition switch is hit to the "ON" gear. When the vehicle is not started, the line has a short period of time for 2 to 3 seconds, and then returned to the initial state of the powerless.For positive electricity.The purpose of the original car design is that before the engine starts, there is a standard oil pressure in the oil pipe, but it also prevent the ignition switch from being in the "ON" file for a long time, and the vehicle is not started to burn the oil pump.Oil pump positive lines can generally be found in the fuel tank, left or right front door beam, and central appliance box.

Finding method: Find a thicker thread in the online beam, use one end of the test light to use the iron, and the other end to test on the connector of the line.When the ignition switch is hit to the "ON" file, and the vehicle is not started, the line has a short time positive electricity for 2 to 3 seconds, and then returned to the initial state of the non -electricity;The root line is the positive polar line of the oil pump.

6. Finding method of Akmen signal line

The tailgate signal line is connected to the tail gate control switch line. This line can be found in the rear tail box, left or right front door line.Generally, vehicles have two wiring methods: positive and negative trigger.When the tailgate is turned on, the tailgate trigger line is positive electricity. When the tailgate is turned off, the tailgate trigger line is not electrical.When the tailgate is opened, the tailgate trigger line is grounded. When the tailgate is turned off, the tailgate trigger line is a positive electrical situation.

Finding method: Find the tailgate trigger line at the tailgate trigger switch, see the color and size, and then use the test light to use the iron end to the iron, and the other end is tested on the connection of the line to see if it is triggered or triggered.Then in the inside of the car, find the same color line, use one end of the test light to set up the iron, and test the line on the other end on the connector of the line.

7. Finding method of the side door signal line

The side door signal line is connected to the door control switch line.You can be found in the left and right front door beams.The original car door control switch line has two trigger methods: positive trigger and negative trigger.In addition, the original door control switch line also has two types of wiring methods: the four door control switch line connects the traditional wiring method and uses module control.Way.

Finding method: For the traditional wiring method connected to the four door control switch lines together, it can be directly connected to a single door control switch line.Look at the color and size of the door control switch line at the door control switch, and then find the same color line in the front door line.Use one end of the test light to take the iron, and the other end is tested on the connection of the line: When the side door is opened, the side door trigger line is electric. When the side door is turned off, the side door trigger line has no electricity.When the side door is opened, the side door trigger line is grounded. When the door is closed, the trigger line of the side door is a negative trigger.

For models controlled by modules, they are divided into two types of old models without original vehicle anti -theft remote control and new models with original car anti -theft remote control.The model without the original car anti -theft remote control can be connected to the control ground line connecting the indoor light to the control module.When the door is open, the indoor light is turned on by controlling the module when the door is turned on; when the door is turned off, the line is not grounded after the interior Lights are extinguished by about 20 seconds.A model with the original car anti -theft remote control should be installed with four diode (1N4001) connected to the four side door switch lines.The secondary pipe positive poles are connected to the side door signal line of the car, and the negative poles of the diode are connected to the four door control switch lines.

The voltage on the door control switching line is low. It is necessary to measure it with a multimeter and test Lights at the same time, and the results obtained are relatively clear.

8. Finding method of speaker cable

The speaker cable can be found in the inside of the panel, the central electrical box line and the horn under the steering wheel.There are four ways to connect the original car horn.

A turn off the ignition switch speaker can still be sounded, and the speaker relay controls the speaker cable (positive, negatively triggers to select one);

B The ignition switch speaker can still be rang, and the speaker relay controls the speaker ground line (negative trigger);

C can only press the ignition switch speaker to press the sound.

D can only press the ignition switch speaker, and the speaker relay controls the speaker ground wire

GPS meaning in Chinese

GPS is the abbreviation of English Global Positioning System.GPS started a project of the US military in 1958 and was put into use in 1964.In the 1970s, the U.S., sea, and air forces jointly developed a new generation of satellite positioning system GPS.The main purpose is to provide real -time, all -weather and global navigation services for the three major fields of land, sea and air, and some military purposes such as intelligence collection, nuclear explosion monitoring and emergency communication. After more than 20 years of research experiments, it costs $ 30 billion. By 1994The global coverage rate of up to 98%of the 24 GPS satellite constellation is completed.

GPS has another meaning in the mechanical field: product geometric technical specifications (GPS).Another meaning is G/S (GB Per Second).GPS (Generalized Processor Sharing) broadening is a special term in processor sharing and network service quality control.

Common functions of GPS navigator

The GPS navigator can help users accurately locate the current position, and calculate the itinerary according to the established destination. The GPS navigator guides the instruments of users to the destination through the map display and voice prompts.Usually we use the car GPS navigator.The operation of the GPS navigator relies on GPS for short.It is composed of three parts: space satellite, ground monitoring and user receiving.

Map query

You can search for the destination you want to go on the operation terminal.

You can record the location information you often go to, and keep it, and you can share these location information with others.

Vaguely query your attachment or information about gas stations, hotels, cash machines and other information near a certain location.

Route planning

The GPS navigation system will automatically plan a line according to the starting point and destination you set.

The planning line can set whether to pass some ways.

The planning line can set whether to avoid high -speed functions.

Automatic navigation

Voice navigation: Voice provides driving information to the driver in advance to the driver, such as a guide to the road, such as a guide, telling you how to drive to your destination.The most important function in navigation allows you to reach your destination without watching the operation terminal.

Screen navigation: On the operation terminal, the map, the current position of the car, the speed of driving, the distance of the destination, the planned route prompt, the driving information prompted by the intersection.

Re -planning line: When you do not drive according to the planned line, or go to the wrong intersection, the GPS navigation system will re -plan a new line to reach your destination according to your current position.

Automatic voice guide

When tourists use portable tourist navigators to approach the attractions, the navigation system shows the connotation and more vividly to the Park scenic spots and display historical relics in a graphic manner, so that tourists can extend their connotation in the process of watching the scenes and exhibits.Visitors have fully appreciated the appearance of the scenic area and exhibits, and they have gained rich knowledge.

GPSPositioning anti -theftFunction

12. The vehicle is illegally moved, and automatically dial -up the police and the SMS notification of the alarm!And you can learn at any time to learn the accurate coordinate position and dynamics of the vehicle!

2The vehicle is illegally moved,GPSPositioning the anti -theft of the alarm automatically and expel the thief!

3The vehicle is illegally moved,GPSPositioning the anti -theft device automatic oil breakstrone short electricity!Let the thieves be unable to start!

4, The vehicle is illegally moved or stolen, the user can move/ /In static conditions, lock the motor vehicle position and call the police to track and chase thieves in time!

5The vehicle is illegally moved. Users can lock the motor vehicle position through a smartphone, or inquire about the dynamic position of the motor vehicle by the Internet. It can also use a third -party navigation function to lock the target!

6, The vehicle is hijacked, one -click dial can passGPSPositioning the anti -theft device anti -control vehicle, remote positioning monitoring, or driving the robbers!

7NothingGPSSatellite signal areas, automatically store the coordinates before signal, lock the thief dens or blind spots.

8Faithful guards, loyal bodyguards lurking in motor vehicles!With a power -off automatic memory settings, after re -powering, the data status of the working data state is automatically recovered before power off.

9, Actively send a greeting text message or holiday reminder SMS once a month; a warm prompt will be sent to the SMS every two monthsGPSPositioning anti -theft mobile phone card recharge.When the voltage of the car battery or independent power supply is too low, it will automatically send a prompt charging SMS to the host user.

Disclaimer: The above method stems from the index of the program system or the sharing of netizens. It is for your reference only and does not represent the research perspective of this website. It proves that it is valid. Please pay attention to the authenticity and authority of the source of the content of the content.Apply to delete & gt; & gt; error correction & gt; & gt;

Common questions and answers of GPS anti -theft device

1. What is GPS anti -theft device?

Answer: GPS anti -theft is an anti -theft system that is attached to the original car. Based on the original car anti -theft system, the detection and alarm function is added. The equipment used by GPS positioning technology to carry out follow -up tracking of the vehicle is used.

2. What are its main functions?

Answer: The basic functions that a good GPS anti -theft device should have are: risk detection and alarm function, vehicle location query and vehicle status query, cutting off oil circuit function, locking prompt function, and so on.

3. How to choose a good GPS anti -theft product?

Answer: To buy a good GPS anti -theft product, we should consider the following aspects:

(1) Cost, including purchase costs and costs. Most of the product service fees in the market are high, resulting in an increase in use costs, accounting for more than 70%of the total cost.

(2) Matching with the original car system: The well -designed equipment can completely retain the function and use habits of the original car anti -theft system; the number of connecting lines with the original car is small; and it can adapt to various models.

(3) Easy to use and protect privacy: The design of the well -designed equipment should be free and convenient to use by users, and the background center should not participate too much.

4. What is the difference between GPS anti -theft device and the original anti -theft system?

Answer: The original car anti -theft system is equivalent to "difficult locks". It increases the difficulty of cracking thieves through various means. When it is attacked, it is only "resistance" and will not "call for help".Unable to cope with robbery, GPS anti -theft device is attached to the original car anti -theft system, and increased detection and alarm on the basis of the original system function.The equipment detects the owner of the car to enter the police state after locking the car. If someone attacks the vehicle, the equipment will immediately notify the owner and the monitoring center in danger information; if the robbery is encountered, the owner can press the help button to send the help information to the monitoring center.

5. What fees do I need to use GPS anti -theft products?

Answer: The cost of equipment purchased for the first time and the monthly rental fee for future use requires the monthly rental fee because the realization of the anti -theft device requires the joint service through telecommunications operators and GPS operators.

6. How does the error of GPS anti -theft produced?

Answer: There are mainly the following cases of misunderstanding:

(1) Improper use of car owners.

(2) After the defense is set, the anti -theft device is too sensitive.

7. What are the problems caused by mistakes?

Answer: The error poster is first to increase the communication cost of the owner. Secondly, the frequent errors will use the palsy and vigilance of the households. Often, the result is that the real mistakes are not enough attention.

8. How to reduce the occurrence of misunderstandings?

Answer: The best way to reduce the misunderstanding of the error report is to be reasonable in product design, which can effectively match the original car system, detect the status of the original car, identify the identity of the owner, and thus do everything possible.May reduce the misunderstanding.

9. What is the working mode of a good GPS anti -theft device?

Answer: The working mode refers to how to report information when the vehicle appears in danger, report information to who to process information, and how to deal with information. A good GPS anti -theft device first notify the car owner after the vehicle is in danger, and can report in detail how to be invaded. If the owner of the owner, the ownerThe alarm is not processed, and the automatic notification center is processed. This emphasizes "prevention of preventing problems before", emphasizing effective early warning and intervention as soon as possible, reducing the cost of chasing car and being destroyed by the stolen vehicle. It also has the ability to track and control the stolen vehicle.

10. How to use GPS to query the location of the vehicle?

Answer: Query vehicle location is the basic function of GPS anti -theft device, and it is also a common function used by car owners. It is best to protect the owner's privacy. At the same time, it must be convenient and timely. Now there are phone check -up vehicles and mobile phone text messages on anti -theft device products on the market.There are two types of cars. The latter is favored by more and more car owners due to the low cost and effectively protecting the privacy of car owners.

11. What should I do if the owner finds that the vehicle is lost after the vehicle is lost?

Answer: How to confirm that the vehicle is stolen by the car thief. First of all, the owner can intercept the oil circuit from the oil circuit through SMS instructions. It can also call the monitoring center to intercept the oil circuit. The police should be notified immediately at the same time so that the case can be detected early.

12. The owner's key is lost, what should I do?

Answer: If the car key is lost or forgot to bring it, you can unlock / lock through the mobile phone SMS instruction.

13. What are the types of anti -theft?

Their working principles and advantages and inferior Answer: Since the summary, the popular car anti -theft device on the market has mechanical anti -theft, electronic anti -theft and GPS anti -theft.

(1) Mechanical anti -theft is mainly to achieve the purpose of anti -theft by locking clutch, braking, throttle or steering wheel, and gear gear gear.The disadvantage is that the anti -theft is not thorough. Every time it is disassembled, it is more troublesome.It was an early car anti -theft supplies.

(2) Electronic anti -theft is the purpose of locking or starting or starting to achieve anti -theft. At the same time, it has anti -theft and sound alarm functions. Compared with mechanical anti -theft, electronic anti -theft has made great progress.question.

(3) GPS satellite positioning vehicle anti -theft system is a network anti -theft. It mainly relies on locking or starting to achieve the purpose of anti -theft.EssenceThe GPS anti -theft device has a lot of functions. It can not only monitor the location of the vehicle in real time, but also monitor the internal sound of the vehicle through the vehicle mobile phone. If necessary, you can turn off the vehicle oil circuit, circuit and lock all doors and windows.If the GPS anti -theft device is illegally dismantled, it will send a report information itself.The effect of anti -theft of this product is obvious.

14. Will the GPS anti -theft device affect the original car system?

Answer: Because the oil -breaking power function is to be achieved, the installation of GPS anti -theft device needs to be modified to the original car to a certain extent. The product installation work is operated by professional technicians. After that, the product will be debugged. Therefore, regular manufacturers produce production.The reasonable design of GPS anti -theft device will not cause any negative effects on the original car system.

15. Is the GPS anti -theft device complicated?Do I need professional skills?

Answer: It is not complicated and does not require any professional skills. You can use your mobile phone to use GPS anti -theft.

16. Does the use of GPS anti -theft device expose personal privacy?

Answer: First of all, the GPS anti -theft device is equal to the monitor or camera. On the information screen, only one point will be displayed without images. This layer of concerns is unnecessary.

17. Excessive power consumption will affect vehicle driving?

Answer: It is prone to unable to start after a long period of parking.

18. Can all models be installed with GPS anti -theft?

Answer: According to the working principle of GPS, it should be theoretically applicable to all models.However, because the matching of the GPS anti -theft and the original car anti -theft system, the products that cannot be produced by manufacturers are different from the adaptability of the original car.

19. How does it take about GPS anti -theft device to install?

Answer: Using hidden installation, the purpose is not to attract the attention of others. It really achieves the function of anti -theft. Its route is to use parallel installation. Generally, the installation time takes about 60 minutes

20. In addition to the anti -theft function, the GPS anti -theft device has other functions?

Answer: In order to improve the overall function of the product and win market competition in order to improve the overall function of the product, in addition to the basic anti -theft function, it has also added functions such as anti -robbery, vehicle telephone, monitoring, and video.Replenish.

21. What are the alarm methods of anti -theft device on the market?

Answer: There are two ways of warning: telephone alarm and SMS alarm.

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[motorcycle GPS locator] motorcycle GPS anti -theft, electric vehicle GPS anti -theft device

Working method of joining the magazine motorcycle GPS anti -theft device positioner:

1. Triple positioning: GPS positioning GPSONE positioning base station positioning:

There is no blind spot for positioning throughout the journey.In the occasion where the search satellite is lower than three, the system automatically turnsgpsone Positioning, if you can't search for any satellite, you can convert to the base station positioning, that is, where there is a mobile phone signal, you can locate.

2. Vibration is the alarm, and the movement is tracking:

The system turns from static to dynamic(( Move or vibrate Cure , That is, the alarm tracking.

3.. Diversity of real -time dynamic positioning information:

a. SMS reply to the current Chinese geographic location information of the vehicle

b. Log in to the trajectory website, you can query the sports trajectory and download the sports trajectory text information.

4. 4.. Low voltage alarm:

When the product has a built -in battery low voltage, the system automatically SMS prompts the user to charge in time.

5. Electronic fence:

Anti -theft motorcycle enters or moves a certain setting area, alarm tracking

motorcycleGPS Features of anti -theft positioner:

GSM Four -frequency system global universal;

High sensitivity GPS Receive chips;

Built -in high sensitivity GPS Antenna, super receiving performance;

High integration design;

The world's only double built -in antenna (GSM ,, GPS) design vehicle terminal;

Built -in switching power supply, ultra -wide voltage input range;

Built -in vibration sensor to achieve intelligent anti -theft of vehicles;

Support ACC Detection, the vehicle starts the alarm;

It can be connected to an external relay to achieve remote control of vehicle oil and electricity;

Can be set up 3 A specific number is used for SOS Alarm and anti -theft alarm;

Can be connected SOS The alarm button is used for emergency call for help;

You can connect the microphone to achieve remote voice monitoring function;

Built -in spare battery to realize illegal cutting alarms;

Compatible with external device serial communication.

At present, motorcycle anti -theft methods are mainly to install various anti -theft locks and configuration sound -light alarms, but these are not difficult to get theft gangs, and vehicles cannot be tracked. Society urgently needs a new way to prevent theft and the theft of theft.motorcycle anti -theft technology to change the status quo. This is the motorcycle GPS anti -theft device positioner. The motorcycle GPS anti -theft alarm tracker reminds the owner in time during the thief's theft of the vehicle.Tracks, recover vehicles, and assist public security organs to catch criminals.

Electric carGPS Anti -theft device introduces electric vehicles GPS The anti -theft device is specially designed for electric vehicle motorcycles GPS anti -theft alarm tracker, with a variety of product forms, divided into installation types and free installation types. It has strong concealment, high safety, and working on all day.After being stolen, he could recover the stolen vehicle and capture criminals, which won the love of the majority of electric vehicle owners.

Four special features Besides

1. 1. Add Chinese SMS address reply function (( hair DW SMS to the traffic card mobile phone number in the machine, it will automatically return to the Chinese address Cure

2. Intelligent electricity saving. When the car is still, the machine will enter a dormant state, almost no longer consume power, and no longer worry about the power consumption of electricity when the car is not used for a long time, green and environmentally friendly.

3.. The positioning accuracy is higher, and the enhanced data processing is more accurate. It is adopted GPS Global satellite positioning data accurate positioning error accuracy can reach 10 About rice (( There are many more on the market 100 The positioner that is not available, most of this positioner is GSM Base station positioning equipment Cure

4. mobile phone mobile positioning, mobile phone check -up software supports smartphones in real -time mobile monitoring trajectory and other operations, convenient and fast