Smart car alarm. GSM alarm system for home and garden. Rating of wired and wireless security systems with a GSM module. Video: Car theft with satellite alarm

The issue of protecting your vehicle from theft and vandalism always remains relevant. In the recent past, all possible devices (mechanical interlocks) and alarm simulators (“beepers”) were used. A modern security system is a more advanced product that can not only provide a high degree of security, but also allow the owner to “always have his finger on the pulse.”

GSM car alarm (wired, wireless) copes well with both the first and second tasks (it protects the car and notifies about everything).

Design features

The set of elements responsible for the possibility of using a mobile phone as a link between the gsm car alarm and the owner of the vehicle (regardless of the selected operator and tariff) includes three main components, namely:

1. GSM module. In this case, it plays the role of a transmitting device, limited not by the cellular tariff, but by the operator’s coverage area. This device (gsm module for alarm) allows you to receive information about changes in the state of your car directly to your own mobile communication device. It can also send an alarm signal to the security console (if initially the responsibility for the safety of the car was assigned to the security company and the system was connected to its control panel). An alarm with a gsm module can be linked to several phone numbers, to which SMS notifications will be sent or alarm calls will be received (different tariffs are not a problem).
2. GSM controller. This device is designed to monitor the operation of the communication channel between the owner and his movable property. The Gsm controller is also responsible for providing information regarding the state of the system, allows you to eliminate errors in the operation of control and information SMS, and develop effective control scenarios. Their simplest versions are made on the basis of software released under the Arduino brand. It’s quite possible to make simple devices using Andruino yourself (more on that below).
3. Digital relays. They are recognized to provide additional protection.

Accepted classification

Modern car alarms, which necessarily include a gsm module, a set of digital relays (sensors) and a gsm controller, are conventionally divided into several groups, depending on the criterion adopted as a basis, in particular:

1. Method of informing. A GSM alarm system can notify the car owner about an attempted theft in one of three possible ways:
   • via SMS notifications(only SMS notifications are received on the phone);
   • through a call (they work on the principle of automatic dialing, the tariff does not matter);
   • combined option(information is conveyed to the owner simultaneously via SMS and call).
2. System power method. There are two possible variations on the theme, namely:
   • Gsm alarm system wired(operates from a 12 V source, the interaction of system elements is achieved thanks to connecting wires);
   • Gsm wireless alarm(powered by an autonomous power source, the coordinated operation of a security complex of this type is the result of using the properties of a stable radio signal).
3. Price range. The car enthusiast has three options:
   • economy class (alarm system with auto start and a set of other standard modes +
     gsm controller and module);
   • middle class (alarm with auto start, standard content and additional modes + gsm controller and module + simple GPS system);
   • premium class (wireless multifunctional alarm + GSM, GPS + additional features, for example, with video surveillance).
     In addition to the above groups, GSM alarms can also be classified into others: depending on the manufacturer (domestic companies, foreign manufacturing companies, including Chinese, American and others) and brand (alarm Pandora, Starline, Tomahawk and others).

Top: 5 best

The buyer is offered a variety of security products to choose from. There are enough worthy ones. Thus, the Tomahawk 9020 alarm system (detailed operating instructions, simple installation and programming, optimal set of options) is good for everyone, but has one drawback: the absence of a GSM module. Fortunately, the car enthusiast has a chance to find an equally attractive anti-theft protection that is free of this flaw. Everything is available: gsm alarm with a video camera, with the ability to control the amount of fuel in the tank and the speed of movement.

So, the top 5 best GSM alarms based on the results of 2016:

• (made in South Korea, it is unique in that it can protect and control the condition of several cars at once; the mobile payment tariff will not change due to this fact);
• Pandora Deluxe 3700 (made in Russia, consistently among the top five best sellers);
• Starline B94 (made in Russia, its proprietary mobile application can easily be called one of the most intuitive interfaces);
• Pandora 500 PRO (made in Russia, another always in demand product, released by Alarm-Trade based on high-tech developments);
• Magnum МН-880-03 (made in Ukraine, an excellent option, with one caveat: this model does not provide a GPS module and autostart mode, but their additional installation and configuration will quickly solve the problem).

In fact, it all depends on the desires and capabilities of the car owner (what he wants: a car alarm with a camera, with or without auto start mode; what he can afford: economy, business or VIP class).

DIY

Is it possible to design a GSM alarm system yourself? This event cannot be called an hour's work, but it is possible to implement the idea in a day, provided you have the necessary elements (telephone, toggle switch, board on the Arduino platform, other components).

If you order a board with an arduino controller from China, you will be pleased with the price; if you order it from aliexpress, you may not notice your costs at all (by the way, on the same resource you can find more budget analogues of arduino, and mobile devices that can be bought for pennies).

There is one very interesting option for the car enthusiast to consider, the step-by-step implementation of which is presented below. Assembling and installing such useful functionality as a Gsm alarm with your own hands is quite possible. The main thing is to strictly adhere to the following algorithm of actions:

1. Placement of system elements. Ideally, everything should be like this:
   • main unit (arduino controller) and toggle switch under the instrument panel;
   • sensors (magnets) on the doors, hood, trunk;
   • control unit (telephone) away from the radio and antenna.
2. Power off. Remove the terminals from the battery.
3. Connecting components. We connect the sensors to the controller, the controller to the phone, and plug the toggle switch into the power circuit (now, when it is shorted to minus, this circuit will start working).
4. Linking to a phone number. We enter your phone into the phone’s memory and connect the wire connecting it to the main unit to the button selected as a “speed dial”.
5. Connection to on-board network. We return the battery terminals to their original place (25 seconds after turning on the toggle switch, the car will be armed, during this time you need to get out of the car, such an alarm is also turned off by switching the toggle switch).

To summarize the above...

To sum it up, we can draw the following important conclusions:

1. Convenient and reliable.
   GSM alarms are really convenient and reliable (it is impossible to miss alarm signals - the phone is always at hand, you can respond to an SMS or call at any time - the phone is already in your hands);
2. Simple and complex.
   Just for the car owner. This is due to the accessible installation, a simple setup algorithm, and comfortable management and control over the system (fortunately, detailed instructions are included in the package).
   Difficult for an attacker. He has practically no chance of success of the planned event (quick response, no less prompt notification of the owner of the vehicle, do not contribute to the accomplishment of the thief’s plans);
3. Expensive or cheap.

The choice is up to the car enthusiast. He can become the happy owner of a ready-to-use GSM alarm system belonging to one of the price categories (economy, business, premium) or prefer to assemble a security system on his own. It's not the price that matters, it's the end result that matters.

What does a car owner need? Just peace of mind for the safety of your car. A GSM alarm can give him confidence in the future. She copes with her tasks 110%!

Today, various systems are used to protect vehicles, ranging from conventional mechanical interlocks to modern GPS alarms. The latter are becoming increasingly popular due to not only a reliable security system, but also the ease of managing the security system. In addition, thanks to the feedback function and the ability to remotely start the engine, you can drive your favorite car without using a standard key at all.

GSM alarm (car) is a device that instantly notifies the car owner about an attempt to break into the car through the use of cellular communication channels. This option is made possible thanks to a special module that monitors, that is, determines the location of the vehicle by communicating with the base towers of cellular operators or GPS and GLONASS satellite systems. Externally, this module resembles a standard mobile device, equipped with a screen, keyboard and connectors for connecting various sensors (opening/closing doors, windows and much more). The sensors send information about everything that is happening to the module, from which the alarm signal is redirected to the car owner’s phone. Thanks to this, you can prevent car theft by turning off the engine and quickly determine the location of the car.

Let's take a closer look at the advantages of such “smart” systems.

Advantages and basic commands of the GSM/GPS module

GSM car alarms are being developed taking into account the latest technologies that will not allow car thieves to use computer programs or so-called grabbers to disable the security system. The effectiveness of alarms with GPS/GSM modules is due to the fact that the owner of the vehicle is always aware of the condition of his car and where it is located. All information is displayed on a special key fob or on the phone. At the same time, you can control the car not only using a smartphone on which a special application will be installed, but also from a regular cell phone by sending an SMS or calling. In addition, many alarms equipped with a module have a built-in microphone, thanks to which you can listen to what is happening inside the car.

Another advantage is that the car owner can start the engine while at home. Moreover, you can program the motor to turn on at a certain frequency, for example, every hour for 10 minutes. Thanks to this, in the winter, the car’s engine will not cool down and you can save a lot of time in the morning. You can also set a temperature threshold at which the systems will operate automatically.

Healthy! It is worth considering that even though the alarm package indicates a range of about 1,500 meters, in fact this distance will be significantly less. The fact is that such measurements are carried out in areas located far from cities, where the signal does not encounter any interference. In urban areas, such systems will catch at a distance of 300-500 meters. Therefore, if you live on the top floor, be sure to check the actual signal range.

Speaking about the advantages, it is worth mentioning the ease of installation of such a security system. To do this, you do not need to contact a specialized auto center. All you need to do is secure all the sensors, insert the SIM card into the appropriate slot and activate it from your mobile phone.

• monitor the alarm status and receive information about its activation;
• transmit the panic button signal directly to the security console;
• listen to the car interior;
• enable and disable security mode;
• disable preliminary or main shock sensors;
• perform autostart for cars without alarm;
• completely block the motor.

When choosing a system, pay attention to all these options, as well as to the manufacturer of the security system. Today, the most popular devices are “Ghost” and Starline.

Ghost Systems

Depending on the modification of these devices, the availability of certain modules and additional accessories will depend. For example, the alarm in a Ghost car with an immobilizer will have a number from 510 to 540. The GSM alarms we are interested in can be identified by the first digit - 8 (for example, 810, 820, 830 and 840). All these modifications have the following characteristics:

• CAN controllers, thanks to which reliable integration with vehicle systems is carried out.
• With the “PIN to drive” function, which acts as additional protection, rjulf, in addition to using a special electronic key, the car owner must enter a special code.
• Sensors of external influences (tilt, shock, displacement and many others).

In addition, the alarm system in the Ghost car is equipped with all the standard features, including remote control, microphones and the ability to auto-start the engine.

If we talk about the cost of these security systems with GPS modules, then:

• Prizrak 810 will cost you 15,000 rubles. Just keep in mind that this modification is not equipped with a special “DDI 2.4 GHz” radio tag, which allows not only to more reliably protect the car from theft, but also to eliminate the possibility of false engine stops. Also, this system does not have a special relay that turns off the engine.
• Prizrak 820 costs a little more - 18,000 rubles. This system is also not equipped with an RFID tag, but a mini-relay that turns off the engine is included in the kit.
• Prizrak 830 costs 17,500 rubles. The system is equipped with a radio tag, but there is no relay.
• Prizrak 840 for 21,800 rubles is equipped with all the necessary bells and whistles and will most reliably protect your car.

Starline systems

These systems appeared on the domestic market relatively recently (in 2013), but in a short time they won the hearts of motorists who distinguish Starline among the many security systems with GPS modules and the ability to autostart.

If we talk about the model range, it is much wider than that of the previous manufacturer. In order to navigate all the products, you need to understand the simple labeling. For example, Starline A94 GSM has the following designation:

• A - device series;
• 9 - presence of autorun function (if it is 9, then it is there, if 6, then it is absent);
• 4 - generation of the system.

Today Starline has several series. The “E” series does not have a GSM/GPS module, but you can install it yourself. “A” - has the function of control from the phone and a more modern key fob. Series “B” is distinguished by increased noise immunity and GPS monitoring capabilities. “D” - intended for SUVs, while all other functionality is the same as for products of category “B”.

In this case, the security system is controlled through a special mobile application Telematika 2.0.

If we talk about the cost of such systems, the most popular models will cost:

• E90 GSM about 16,000 rubles;
• A94 GSM can be purchased for 18,000 rubles.

The latest model became the most purchased in 2013, when the company literally blew up the domestic car market with its powerful equipment. Today A94 GSM is also in great demand.

In conclusion

Of course, a car alarm with auto start and the ability to control via phone is the most reliable today. Such devices work quickly and allow you to prevent theft in a matter of minutes, and even if the car does leave the garage or the place where you left it, then thanks to a special module your vehicle will be found long before the attackers have time to drive it for disassembly. When purchasing such security systems, remember that it is better to purchase such products in specialized stores or dealerships. When purchasing on the market or “off-hand,” you run the risk of receiving a device with program codes that criminals already have.

Car safety has always been a pressing issue for its owner. They tried to ensure the safety of the vehicle by any means possible. Various mechanical locks for the steering wheel, pedals, etc. were used. Secret toggle switches were installed that turned off the power to the on-board network. Later, all kinds of “squeakers” appeared.

Operating principle of GPS and GSM alarm

The rapid development of technological progress has not spared the issue of vehicle safety. And if a few years ago satellite alarm systems were available only to military or government agencies, today in almost any car store you can freely choose a GPS/GSM car alarm that is suitable for the price and functionality.

How does GPS/GSM car alarm work?

An electronic unit is installed in the car interior, which includes a microcontroller, a GPS module and a GSM module. The GPS module provides communication with the global positioning system, which determines the coordinates of the location and speed of the vehicle. The gsm module provides communication with the owner of the vehicle and the operator of the security console (if the system is connected to the control panel of the security company). The microcontroller processes the information received from the sensor system and, based on it, includes an action algorithm corresponding to the protection program.

The GPS/GSM car alarm system ensures constant communication between the car and its owner. Being far from the car, you can get information about its location or technical condition, as well as start or stop the engine. The car is controlled and its condition is monitored via SMS messages, voice calls (dtmf), as well as through the web interface of a special website.

The site is an Internet portal that receives information from a car equipped with an alarm system automatically. From the same portal, the system takes the settings for driving the vehicle. To remotely use a web portal, you only need to have any device with Internet access – a computer, laptop, iPhone, smartphone.

Alarm calls or SMS messages can be sent to several mobile phones recorded in the memory of the alarm control unit.

If the car is stolen or impounded, its location can be determined using the function. Almost any satellite car alarm kit has the ability to connect video cameras, which allows you to remotely conduct covert video surveillance of the car’s interior. Digital relays provide additional protection. If an attacker detects and disables the alarm unit, digital relays and all main power circuits. It will no longer be possible to activate them, even if you supply power directly. In addition, these same relays will block the doors with special pins.

Most modern satellite signaling devices support eCall / ERA-Glonass technologies. A car equipped with such a device can independently call the rescue service. This function is very relevant in case of an accident, if the driver and passengers themselves are not able to do anything. According to experts, the installation of such devices will reduce the consequences of injuries in road accidents by 14 percent.

General structure of the GPS/GSM car alarm system

To obtain data about the current state of the car, the alarm controller is connected to the diagnostic connector or directly to actuators and sensors - tachometer, generator, injectors, speed sensors, oil pressure, etc.

To connect video cameras, a special interface is provided in the central alarm unit. Data from the cameras is sent to the system website and to the car owner’s mobile phone in the form of an mms message.

The controller is connected to the actuators and sensors of the vehicle

With all its advantages and high technology, the gps/gsm alarm system is not without its disadvantages. Attackers also keep up with progress; the latest equipment (scanners, code grabbers, repeaters, jammers) sometimes allows hijackers to bypass the electronic security system.

Video: Car theft with satellite alarm

Ways to hack satellite signaling and protection methods

The weak point of the gps/gsm alarm is the communication channel with the server and the owner’s mobile phone. Attackers have several ways to disrupt this connection:

a) GSM signal jamming

The signal to a mobile phone can be jammed

— Such a simple device, costing about $120, can jam all 3G/GSM/CDMA modems within a radius of five to twenty meters.

b) SIM card counterfeiting (cloning)
The number that the alarm uses has a copy in the hands of the hijackers. If the alarm is silenced using the jammer described above, the second number will be accessible and will not sound an alarm. If the alarm is checked by periodic dialing, then the dialing will be sent to a copy of the SIM card and will not cause an alarm.

To protect against signal jamming and counterfeit SIM cards, the Jamming Detection function was developed. It is designed to detect attempts to jam the signal. When such an attempt is detected, the alarm locks the car, turns on the siren and records information in its memory that it was turned off. When the connection is restored, this information is sent to the server and to the owner’s phone.

V) Replacing a telecom operator's station

The device posing as a cellular operator's station is placed in a small suitcase. The car alarm GSM modem will not be able to determine which of the available base stations is real and which is fake. In case of hacking, it will not send an alarm through the real channel.

G) Localization of the alarm installation site with subsequent shutdown or disabling

The $43 field detector allows you to locate radio transmitters operating at frequencies from 1 MHz to 2.6 GHz. The device display shows the signal level and frequency of the transmitter.

In case the installation site is detected using a field detector and the alarm is physically deactivated, it is recommended to use additional GPS/GSM beacons. Such a beacon consists of a GPS receiver, a GSM modem and a battery. The device is miniature in size and can be easily hidden in hidden places in the car. The beacon is difficult to detect visually and almost impossible to detect using a field detector, since it is always in a state of sleep, only occasionally waking up to register on the network and send its coordinates to the server. In the event of a car theft, the signals from the beacons can easily determine its coordinates.

To protect against all of the above hacking methods, a communication channel control method was developed. The modem of the signaling unit communicates with the server at certain intervals - for example, sends data via http. If the modem does not connect to the next communication session, the server raises an alarm - it calls or sends an SMS to the owner of the vehicle. Of course, this method is not a panacea in all cases - somewhere there may simply be an area of ​​poor signal reception - but, nevertheless, it significantly increases the level of vehicle safety.

Satellite gps/gsm car alarm undoubtedly has great advantages. Even if the car was stolen, it will allow you to track its coordinates. It will be much easier to apprehend the hijackers. However, to increase vehicle safety, experts recommend using satellite alarms in combination with simple and reliable mechanical anti-theft devices.

The high cost of a vehicle attracts a large number of car thieves. Therefore, the next task after purchasing a car will be to ensure its safety. GSM car alarm is a new word in ensuring vehicle safety. The device is capable of transmitting the coordinates of the vehicle's location. The user will also have the opportunity to listen to all the sounds occurring inside the car.

What is GSM alarm

A modern security system is a functional device that performs various functions. GSM/GPS car alarm transmits information about the location and possible threats to the vehicle owner. The system is also capable of transmitting alarm data directly to the security company's console.

One of the main advantages of the system is its operating range. No matter where your car is, your phone will always receive information about its condition. In addition, the system responds to threats both inside and outside the cabin. When attempting to load a car onto another vehicle, the owner will immediately receive information about this.

The principle of operation of the GSM system

GSM car alarm system is a system consisting of a main module, as well as a set of various sensors, for example. Their main functions:

• transfer of data to the owner about the location of the car. Using GPS systems, coordinates are determined with an accuracy of up to 100 meters;
• control of the vehicle engine and the ability to block it;
• transmitting a sound signal from the car interior.

At the owner's request, additional sensors can be installed in the car.

The indicated functions of GPS/GSM alarm are its main advantages. A conventional alarm system cannot boast of them. As in traditional alarm systems, the process of managing GSM security can be carried out using a key fob. The owner can control its operation, which prevents the possibility of reprogramming the GSM system to another control panel.

Classification

On the market, consumers can come across various types of GSM systems. One of the classifications of modules is based on the method of transmitting information to the owner. The signal can come in the form of an SMS message or a phone call. There are also combined systems on the market that use both notification methods.

Car alarms with GPS/GSM functions are divided into expensive and budget models. In more expensive options, the owner receives not only a security system kit, but also a source of autonomous energy for the device, as well as a transmitter with which the car can be controlled remotely.

Car alarms are also divided according to the method of power supply. The majority of devices are connected to the car’s on-board network, but there are models that also work with batteries. Such models have a function to notify the owner about the charge status of the device’s battery.

Advantages of GSM security alarm

One of the main advantages of the system is signal transmission and the ability to remotely control a vehicle over a long distance. The system operates anywhere on the planet, is capable of transmitting all information about the condition of the vehicle, and thanks to the use of a GPS sensor, the function of determining the coordinates of the vehicle is available.

The variety of functions is another advantage of this system. You can not only control the car and find out about its condition, but also listen to what is happening now in the vehicle. The entire control process is simple and is carried out using a phone or remote control. By receiving messages about the condition and location of the object, the owner can also find out about such parameters as the remaining gasoline, speed, and direction of movement of the car. Installing additional equipment, for example, motion sensors that respond to tilt, will also allow you to receive information about loading a car with a tow truck or removing wheels.

Another advantage of this device is the ability to control the operation of the machine’s engine. The owner can either start or stop the engine, or block its operation. And all this can be done remotely, being at any distance from the car.

The GPS/GSM security alarm system is reliable and cannot be hacked using third-party devices. The presence of a battery in such devices allows you to control transport if the main battery is missing.

Alarm selection

When choosing a system from several models, you need to focus not only on cost, but also on the manufacturer. It is desirable that the device have the following functions:

• protection against false alarms;
• control of car locks and its engine;
• self-diagnosis, monitoring the condition of all system elements;
• the presence of a battery, which will allow the system to operate autonomously.

When choosing, remember the rule: the more functions, the better. In terms of installation complexity, this type of system is no different from a conventional alarm system. Getting to grips with the controls is also not difficult. The kit includes detailed instructions describing all functions and features.

One of the important elements in a car alarm with GPS/GSM functions is a mobile phone. You can use any model of device, and it does not have to be touch-sensitive. Of course, the advantage of using a smartphone is getting a map with the location of the car. All that is needed in a phone is the availability of call and SMS functions. It is worth remembering the following:

• the phone number must be linked to your GSM system;
• the device must be in full working order;
• The mobile device must always be within range of the network.

Before you start using your phone together with a security module, study the features of your mobile operator. Pay attention to the quality of communication and the cost of SMS messages. As a rule, for a month of using a GSM/GSM system you will spend a small part of the money.

Popular GSM alarm models

The market offers consumers various device options at different prices and functionality. The main advice from professionals is to purchase models with a large number of functions from manufacturers that have proven themselves in the market. It is advisable that the seller offers you the service of installing and configuring a new system. So, what popular models does the market offer?

Top 5 popular GSM alarm models

If you are thinking about purchasing such a device to protect your car, don’t delay it. The number of additional features, as well as the price of the device, are directly related - the more additions, the higher the cost of the device. Therefore, you should first of all pay attention to exactly what functions you plan to use. This will allow you to find a model with the optimal price-feature ratio.

GPS. The issue of property protection has recently become a priority issue for all owners of any property.

In this regard, various types of alarms, including GPS alarms, are gaining increasing popularity in the security systems market.

These security devices have a number of advantages over others due to their unique properties. To decide whether an alarm system with a GPS module is needed as a security system, you should consider a number of its inherent features.

What is GPS Alarm?

The role of any alarm is to give a sound, light or other signal when an unauthorized person attempts to take possession of property, movable or immovable.

There are several types of alarms:

• normal, sound or light,
• alarm system with GSM module,
• alarm system with GPS module.

In this case, the effect of a conventional alarm is limited only to giving an alarm signal by an audible siren and flashing lights. If there is a wired connection with a security console or police post, an alarm signal is also sent to such a post.

They are more effective against unauthorized access attempts. This type of alarm sends an alarm to the mobile device over the GSM wireless network used for cellular communications, thereby significantly reducing response time. Naturally, such an alarm is much more effective than its classical counterparts.

The most modern type of security systems is an alarm with a built-in GPS module. Its effectiveness is greatly enhanced by the use of satellite technologies, which can be accessed through an Internet connection.

The functionality of this type of alarm system includes the ability to generate an alarm signal and wirelessly report intrusion. In fact, it has all the advantages of GSM signaling.

But, in addition, thanks to the GPS module installed in the system, which has a connection with satellites, it is possible to monitor the movement of an object. It goes without saying that this type of alarm is most appropriate to use for protecting movable property, such as a car.

What can a GPS alarm do?

As already noted, GPS alarms are most often used to protect cars. It is for this purpose that a large number of functions have been developed in alarms of this type. One of them is remote control of vehicle systems.

This includes the ability to turn off the ignition or fuel supply, or block the engine. Such functions are useful not only for preventing the consequences of theft, but also for monitoring leased vehicles.

Moreover, although it is possible to stop a vehicle at any distance, this is done in such a way as to prevent a traffic accident. Thanks to a tracking system using GPS coordinates, you can find out the exact location of the vehicle at any time.

The question often arises: is it possible to use a GPS alarm for your home? This question can be answered if we take into account its specific features. The fact is that GPS is a satellite detection system. It tracks changes in GPS module coordinates in real time.

In other words, such an alarm monitors the movement of an object. This means that using this alarm system to protect stationary objects, such as a house, is inappropriate.

It's a completely different matter when it comes to household property or pets. A GPS module attached to particularly valuable property will always let you know where this item is located. The same can be said about pets. A keychain with a GPS module on the collar of a dog of a rare and valuable breed will not allow it to get lost even in the densest forest and the largest metropolis.

It is especially worth noting the role of the GPS module in monitoring children and the elderly. To always know where your child is and to have peace of mind for your elderly relative, you can use a wrist bracelet with a GPS module. All movements of this person will be displayed on the map of a kind of GPS navigator.

How to choose a GPS alarm?

To choose the right GPS alarm, you need to understand exactly what functions are needed in this case, in addition to GPS functions.

It is known that each manufacturer equips each alarm model of its own production with a certain set of functions. And not all of these functions are necessary for a specific user. However, they can significantly influence the price of the product. So, let's look at the main functions.

Key fob code: static or dynamic? The key fob code is a radio signal that is sent by the alarm key fob to the receiver when arming and disarming. It can be static, i.e. unchanging, and dynamic, i.e. change each time the system is armed.

It is clear that finding a dynamic code is a much more difficult task for a thief, but the cost of the system also increases significantly. Here, when choosing, you should focus on the value of the equipment and your own wallet.

Another important function is engine blocking. Typically, the engine lock is activated when the system is armed. But sometimes it happens that the security system is equipped with a function to block the engine without arming. In this case, it plays the role of an immobilizer - a powerful anti-theft agent.

Arming in this case is also carried out using an encrypted radio signal sent from the key fob. In GPS alarms, such a signal can also be sent from other devices. This type of car alarm is always equipped with an immobilizer.

GPS alarm sensors

The difference between alarm models also lies in the set of sensors included in them. The more sensors, the greater the functionality of the security system.

Alarms can be equipped with the following sensors:

• motion sensor – reacts to the displacement of the protected object in space.
• Shock sensor – self-explanatory, reacts to impact.
• opening sensor – reacts to the opening of doors, trunk, etc.
• dual-zone sensor – the coverage area is divided into two zones. The first zone - if there is a slight impact on the protected object, a short sound signal is activated. The second zone – in case of strong impact, a full alert is activated.

This article should help you decide on the choice of security systems based on their features. GSM alarms, as a rule, are installed on real estate, while the scope of GPS alarms is expanded to include moving objects precisely due to the movement tracking function.

Otherwise, all security systems have a standard set of functions, which may vary depending on the company and model. The user decides whether to install a system that has a particular function.

The determining factor when choosing a security system is the financial condition and value of the protected equipment. It should be noted that having or on a car, according to statistics, significantly reduces the risk of unauthorized access to property.

And GPS alarms ensure the quick return of stolen property, even if, against all odds, the attacker managed to overcome the security properties of the system. Therefore, if you need to protect your car and its cost justifies investing in a GPS alarm system, then its use is not a whim, but a necessity.