About the technology “swift. Practical implementation of askue based on radio technology "strizh" Why LPWAN is the future

Strizh Telematics was founded in 2014. Its co-founders were Andrey Sinitsin and Evgeny Akhmadishin. The company was engaged in the development of sensors and network solutions for the Internet of Things under the Strizh brand, used in telemetry systems in the areas of housing and communal services, security, smart cities and agriculture.

In 2014, they managed to get the attention of President Vladimir Putin. But in 2016, the partners disagreed and divided the business.

Yevgeny Akhmadishin headed the Vaviot project on a similar topic and was arrested in 2017. Andrey Sinitsin continued to develop solutions under the Strizh brand within the Modern Radio Technologies (CRT) company. In 2018, he ceded this business to the creators of the Platon system, Igor Rotenberg and Alexander Shipelov.

History

2018

The new owners of CRT - Igor Rotenberg and Igor Shipelov

In 2018, the company "Modern Radio Technologies" (SRT) changed the composition of the owners. According to the Kontur.Fokus database, its original founder Andrey Sinitsin, who owned 80% of the company, left the company.

His share passed to two new co-founders: businessmen Igor Rotenberg and Andrey Shipelov. The first has a 45% share since October, the second has a 35% share since June.

The share of another co-founder - Pavel Staryuk, who joined the company in 2017, remained unchanged and amounts to 20%.

Since October, Glonass-TM has been the managing company of CRT. Igor Rotenberg and Igor Shipelov are also among its ultimate owners.

Andrey Sinitsin preferred not to comment on TAdviser change of owners of the company. They could not comment on it in the SRT at the time of publication of the material. The SRT secretary refused to connect by phone with PR manager Pavel Heiderich.

STR develops Strizh IoT platform based on wireless LPWAN networks (photo - strij.tech)

The Minister of Digital Development, Telecommunications and Mass Media Konstantin Noskov in October in an interview with TAdviser said that he expects an increase in demand for sensors for the Internet of things and cited this direction as an example, speaking about possible areas of investment for large businesses within the Digital Economy national project.

Rotenberg and Shipelov are partners in other businesses as well. For example, according to the system of charging for the use of roads "Platon". They are co-founders of RT-Invest Transport Systems, which is the operator of Platon.

In 2017, the partners also bought 45% each of the National Telematic Systems (NTS) holding, created by the former vice president of Rostelecom Alexey Nashchekin.

Termination of Vaviot activities

According to the Unified State Register of Legal Entities, in April 2018, Vaviot LLC ceased operations. At the same time, as of October, 2018 the Telematic Solutions legal entity where Evgeny Akhmadishin also was the CEO works under this brand.

Created by Akhmadishin in 2016, "Vaviot" (legal entity "Telematic Solutions") since September 2018 has been 13% owned by the CEO of the development group of companies Coalco Alexander Kuznetsov, 87% - by the American company "Vaviot Integrated Systems". On the Coalco website, Vaviot is listed as one of the key projects that the development group is involved in.

In October 2018, by phone number listed on the Vaviot website, an employee of the company told TAdviser that Akhmadishin had not been working for them for a long time.

2017

Arrest of Yevgeny Akhmadishin

In November 2017, Yevgeny Akhmadishin was arrested by order of the Moscow Basmanny Court. The reason for the arrest was suspicion of fraud under part 4 of article 159 of the Criminal Code, which provides for liability for fraud committed by an organized group or on an especially large scale.

The Basmanny Court also arrested Oleg Filippov, development director of Absolut LLC, suspected of embezzlement of funds allocated for the maintenance and repair of the Moscow intelligent transport system, and Alexander Shukurov, director of the capital's GKU Capital Repair Directorate, suspected of fraud. Read more.

2016

Creation of a new company - "Vaviot"

In 2016, as a result of the division of Strizh Telematics, a new company was created - Vaviot LLC. Yevgeny Akhmadishin was appointed its general director. The company began to engage in activities similar to Strizh Telematics - the development of LPWAN solutions and the creation of an LPWAN network.

Vaviot not only develops the LPWAN network, but also produces the sensors themselves - for example, "smart" water meters connected to a wireless network and transmitting readings over it. Systems for housing and communal services have inherited the experience of developing systems for controlling the traffic flow, created by Strizh Telematics in 2011.

Decision on the section "Strizh-Telematics"

In 2016, Swift Telematics split up. The reason for this was the disagreement over the development strategy between the co-founders of the project Andrey Bakumenko and Evgeny Akhmadishin, who together owned 55% of the company, and its CEO Andrey Sinitsin.

2015

Skolkovo resident status

STRIZH Telematics, a developer of solutions in the field of Machine to Machine and the Internet of Things based on LPWAN wireless technologies, has received the status of a resident of the space and telecommunications technology cluster of the Skolkovo Foundation. The company develops, implements and supports systems for remote collection of telemetry data in several industries: housing and communal services, transport, security, agriculture.

Business development

In 2015, the partners also started selling electricity meters. Monthly sales of Strizh-Telematics in 2016 amounted to 2,000–3,000 water and electricity meters. The check of management companies varies from 500 thousand rubles to several million for a batch of meters. Customers then pay monthly for technical support and usage personal account on the Strizh-Telematics website, where you can process the received data.

Regional dealers, which in 2016 accounted for about 25% of Strizh-Telematica's revenue, helped them negotiate with management companies. About 20% of income was generated by export - integrators and meter manufacturers resold Strizh-Telematics devices to management companies in Europe and Asia.

For four years, entrepreneurs have invested about 100 million rubles in the business, including reinvested profits. After that, they began to explore new areas of application of LPWAN technology. For example, banking: several dozen modems were sold to a company specializing in security systems - to be installed on ATMs in order to alert about hacks. It is important for retail chains to track dozens of parameters in warehouses and sales areas for climate control, electricity consumption, etc.

The founders of Swift Telematics calculated that the Russian housing and communal services as a whole require more than 400 million different meters. They expected that the demand for new sensors would be raised by Federal Law 209, according to which, from July 2016, information for calculating utility bills should be provided only in electronic form.

We really love the draft federal law on GIS housing and communal services, because when we read it, it sincerely seems to us that it was written for us, - Sinitsin noted.

2014: Putin became interested in the project

During a conversation at the forum, Vladimir Putin asked Andrey Sinitsin, after listening to a brief description of the project, why is it needed if meters already exist to account for resource expenditures? . To this, Sinitsin replied that in Russia there are very few utility meters connected to remote monitoring systems. At best, electric - by wire. The remaining readings are taken manually, which in itself leaves room for error and for the provision of approximate values. But the main thing is that many meters, for example, almost all water meters, are located inside apartments, and reading data from them is entirely on the conscience of citizens.

2013: Start of sales

Sales of water meters with LPWAN modem started in the summer of 2013. Sinitsin and Akhmadishin ordered the assembly of modems from a Russian manufacturer whose name was not disclosed. It took several months to finalize the design in order to obtain a transmission range to the base station at a distance of up to 40-50 km.

2010: Start of product development

The co-founder of Swift Telematics, which was engaged in the sale of solutions under the Swift brand before CPT, is a graduate Evgeny Akhmadishin. He has worked at KPMG and Deloitte, where he advised tech companies, and at venture capital fund Mint Capital as an investment director. He came up with the idea to start distributing sensors that track the movement of objects, which were produced by a large European manufacturer that had not yet established sales of its devices in Russia. Akhmadishin suggested that sensors could be supplied to keep track of the number of cars on roads and parking lots.

Akhmadishin invited Andrey Sinitsin as a partner, whom he met at KPMG - at that time he worked in the A1 investment company.

According to Akhmadishin, the sensors of a European company brought to Russia did not live up to expectations. In particular, he found a flaw in the method of transferring data from imported meters operating on the ZigBee protocol. Having gathered familiar engineers from the old connections at MIPT, the former investment director redesigned the sensor algorithms to work with the new LPWAN protocol.

One of Akhmadishin's main technological partners at that stage was Yuri Birchenko, a Moscow Institute of Physics and Technology graduate. Later, he founded Nwave, a company developing a cloud platform for machine-to-machine communication and IoT devices, through which sensors could communicate and save battery power.

Akhmadishin and colleagues created their own version of LPWAN. In 2012, partners released prototypes of meters with an LPWAN modem. The solution seemed to them ideal for the housing and communal services sector. As Sinitsin explained earlier, in Russia housing and communal services provide 6-7% of annual GDP, this is a huge industry and a huge field for automation. Potential buyers are management companies that want to remotely collect statistics on water consumption by residents and monitor unauthorized interventions in the operation of appliances.

Rice. 1. SNT "Dubrovo"

Garden non-profit partnership (SNT) "Dubrovo" (Fig. 1) is located in the Vladimir region and has 190 plots. SNT has its own 250 kVA transformer, and all households are equipped with old induction electricity meters.

Twenty years ago, only a couple of light bulbs, a tile and a radio point turned on in the SNT garden plot, but today numerous household appliances and garden tools consume electricity. The development of legislation (“dacha amnesty”) and other factors have led gardeners to turn seasonal “temporary huts” into comfortable dwellings and stay in them all year round, which means they spend more energy.

Despite the satisfactory condition of the transmission line and equipment, the total readings of individual meters were only 60–70% of the “head” meter from the grid company, and over time, the percentage of electricity imbalance only increased.

Both the chairman and the owners understood that the technical losses in the transformer and on the line are disproportionately small, and the high unbalance is a consequence of commercial losses:

theft of electricity (even a schoolboy can stop old meters);
errors in the electricity metering system (residents have old electricity meters with an accuracy class of more than 2.0);
intentional errors in taking testimony (not everyone wanted to pay their bills);
late payment (many come only on weekends and holidays).

The chairman had his own statistics: about 10-15 gardeners stole electricity, another 40-50 owners regularly forgot to take their testimony or deliberately underestimated the numbers.

The problem was repeatedly discussed at meetings, but no solution was worked out. From year to year, the chairman of the partnership had to break the law: increase the cost of the resource and collect the missing amount from the members of the SNT, who regularly pay their bills.

At the beginning of 2016, at the general meeting of the SNT, it was decided, along with the replacement of obsolete metering devices, to equip the village with ASKUE - an automated control and metering system for electricity, which is used to accurately calculate the consumed electricity and consumption parameters at the substation. To do this, each metering unit (electricity meter) is equipped with a device that transmits readings to the control panel.

What needed to be taken into account

The main criteria for choosing ASKUE from the asset of the partnership made up an impressive list. First of all, it was necessary that the readings of the electricity meters were not lost during the transmission. In addition, the collection of consumption parameters at substations and power lines and the calculation of the amount of electricity consumed had to be done automatically - while it was necessary to provide the ability to further automate the collection of readings, data processing and billing for residents. The load management of individual consumers (usually non-payers) had to be carried out remotely. At the same time, based on the calculation of one metering point, restrictions on the budget for equipment were set.

Tests

Rice. 2. Counter "Amp-1 Split"

First of all, the chairman of the partnership needed to determine the technology for collecting data from electricity meters. In addition to ASKUE "Strizh", the management of SNT spot-tested wired PLC technology and meters with a GSM modem.

The PLC was abandoned in the first week: the line condition did not provide reliable data transfer, and out of five test meters, readings came from only one. The elimination of "twisting", the replacement of the wire and the installation of filters on the line did not fit into the SNT budget.

The high cost of the devices and the costs of their installation and maintenance made the GSM-based solution unprofitable. Each meter equipped with a GSM module required software settings and high-quality cellular network coverage. In addition, such a device cost twice as much as analogues and required a monthly subscription fee.

At the same time, STRIZH solutions for summer cottages and cottage settlements were tested. The test kit included five single-phase electricity meters "Ampere-1 Split" (Fig. 2) and a mini-base station (Fig. 3). The testimony went to the cloud platform "Personal Account", access to which only the chairman of the SNT had, and without being tied to the board building or the dispatch console. To track expenses and register energy theft or meter opening, he only needed to have access to the Internet.

Remote collection of readings on ASKUE "Strizh"

Rice. 3. Mini base station

Weatherproof electricity meters "Ampere-1 Split" with a built-in radio modem were installed on overhead line supports. This approach made it possible to save the cost of installing a subscriber shield, complicate the access of residents to the meter and eliminate the error of old metering devices from the calculation.

During the test trials, ASKUE "STRIZH" showed the necessary reliability: data from all five installed electricity meters "Ampere-1 Split" were successfully transmitted from electricity metering stations through the base station to the personal account of the board.

The required automation - uploading reports and issuing invoices - was available in the functionality of the web platform, and the ability to remotely control and limit the load was implemented in the Ampere-1 meters. Simple installation and a minimal set of equipment made it possible to fit into the SNT budget with a margin of 20%.

Results for the year

Currently, Amper-1 Split meters are already in operation in 90 Dubrovo SNT farms, and another 50 meters will be installed during 2017. They continue to be served by the base station installed during the tests, since its capacity will still be enough to connect the next hundred or thousand devices. Now unscrupulous gardeners cannot accidentally or intentionally forget to report on the consumed kilowatts: Amper-1 sends hourly data on energy consumption via radio channel to the personal account of SNT Dubrovo, and the reverse channel allows the chairman to remotely control the meter settings and selectively limit the network load to non-payers . From April 2016 to May 2017, the electricity imbalance of SNT Dubrovo fell to 10%. By 2018, the chairman plans to fully equip SNT with smart meters. According to his calculations, 100% implementation of ASKUE "STRIZH" will bring the imbalance to an acceptable 1.5-2%.

Advantages of ASKUE

PLC solutions are low cost and solve the problem of remote readings, but protocol shortcomings and high quality requirements for power networks can create a number of difficulties in transmitting data from the meter to the user interface, and a high level of interference in the line can nullify the signal throughput. At the same time, the fight against such interference requires either turning off their source (and it still needs to be found), or installing special filters, which leads to additional costs.

Solutions based on short-range communication protocols are not suitable for use in settlements, since the stable operation of such a system requires the installation of additional repeaters, which leads to a sharp increase in the overall project budget.

Meanwhile, a wireless solution based on LPWAN technology is suitable for building an electricity control system in settlements according to all requirements. The range of data transmission via radio protocol from the modem to the radio station is 10 kilometers and provides readings from meters located at various distances throughout the village. In addition, one base station can cover the needs of the entire village, taking into account its expansion for several years ahead. The protocol provides for protection against various types of interference, and due to the fact that the use of intermediate equipment is not required, the total cost of implementation is several times cheaper compared to short-range radio systems.

“Before Tesla, there were electric vehicles, cooling systems, new batteries, but only Elon Musk assembled a breakthrough product from disparate technologies,” says Andrey Sinitsin, co-founder of Strizh-Telematics. “Of course, we are far from Tesla, but we were also able to figure out what the market needs and assemble a suitable product from cubes.” On Sinitsin's table, at first glance, ordinary water and electricity meters are laid out. But they have built-in modems that can transfer the captured data to the personal account of an Internet user - an employee of a housing and communal services company or a private individual. Four years ago Andrey Sinitsin and his partner Yevgeny Akhmadishin learned about a technology that allows making devices with a high transmission range and extremely low power consumption, and today they own a business with a revenue of 4-6 million rubles a month.

Strizh-Telematics is a rare fusion of financial and engineering competencies for a technology startup. MIPT graduate Akhmadishin advised technology companies at KPMG and Deloitte, worked as an investment director at Mint Capital venture fund. “When you work as a programmer in your fourth year of college and meet an investment banker somewhere, you immediately want to become an investment banker,” Evgeny recalls. - Well, I got caught, although by education I was a radio engineer and a soldering iron from the age of five. And then a friend with whom I was programming sold his company for $10 million to Yuri Milner's DST. And I thought that I went somewhere wrong with these stupid finances.

From friends, he learned that a major European manufacturer of sensors that track the movement of objects has not yet established sales of its devices in Russia.

Akhmadishin suggested that sensors could be supplied to record the number of cars on the roads and parking lots, and suggested that the manufacturer become its distributor.

And he called Sinitsin as a partner, whom he met at KPMG - at that time he worked in the A1 investment company. “In an investment fund, when you have closed several deals, everything becomes clear from A to Z,” Sinitsin joins the story. - And doing business is like getting infected with a sport where there is adrenaline: marathons or boxing. I want it and that's it."

But the sensors brought did not live up to expectations. Each device transmitted a signal only at 20 m, but within the network of sensors, it could go to the base station for tens of kilometers. In fact, without regular tuning by the hands of experienced engineers, relaying went on somehow. Having delved into the technology, Akhmadishin saw a flaw in the method of data transmission (import meters worked on the ZigBee protocol, which was predicted to have a great future for home battery-powered gadgets). Having gathered familiar engineers from the old communications at MIPT, the former investment director redesigned the sensor algorithms to work with the new LPWAN protocol. Last year, IBM relied on a modification of LPWAN technology called LoRa, for example, considering it the most promising way of machine-to-machine interaction.

Akhmadishin and Sinitsin created their own version of LPWAN.

They narrowed the transmission bandwidth in the radio spectrum so that the level of interference was minimal. As a result, information is transmitted in a small volume, but with minimal energy consumption, far away and without failures. Meters with an LPWAN modem transmit data to the Internet through a base station that can be installed on the roof of any building. At a cost ten times lower than the towers of cellular operators, such a station, according to the owners, is thousands of times more sensitive. And the modem, created in Strizh-Telematics, can work 10 years without recharging and costs eight times cheaper than existing analogues on GPRS or 3G.

Prototypes of modems were ready in autumn 2012. The solution seemed ideal for the housing and communal services sector. “In Russia, housing and communal services provide 6-7% of annual GDP, this is a huge industry and a huge field for automation,” explains Sinitsin. Potential buyers are management companies that want to remotely collect statistics on water consumption by residents and monitor unauthorized interventions in the operation of appliances. Akhmadishin and Sinitsin hoped to attract them with the simplicity and relative reliability of their devices. There were wired sensors, but pulling wires into apartments, setting up a server for processing information, etc. is troublesome. GPRS modems require regular recharging or changing batteries, and the cost of their operation depends on the tariffs of mobile operators.

The partners ordered the assembly of modems from a Russian manufacturer whose name is not disclosed. But sales started only in the summer of 2013. In urban areas, the signal from ready-made meters extended only one or two kilometers. It took several months to finalize the design in order to obtain a transmission range to the base station at a distance of up to 40-50 km. The first customers refused to believe in the reality of the declared characteristics.

“We are coming to negotiate with an integrator of dispatching systems for elite houses in Moscow,” Andrey Sinitsin recalls. - He assures us that in the houses entrusted to him with very deep basements, no systems for remote collection of testimony will work. Then I persuaded him to go to the facility. Our employee with the antenna stood on the roof, and he himself went down to the basement - and by pressing the button, he saw the signal. Within a month, 1,000 modems were shipped to him.”

It quickly became clear that management companies prefer off-the-shelf instruments that can be put into operation with minimal setup. "Strizh-Telematica" agreed with the Arzamas Instrument-Making Plant and began selling water meters with already built-in modules. “We purchased about 1,000 meters, realizing that in terms of price / quality and reliability, the new technology is more profitable than devices with Internet modules or wired solutions,” says Andrey Botalov, head of the Moscow management company Solnechny Gorod. “Now you can immediately see both water leaks and failed meters.” Another client of Strizh-Telematica agrees with him. “Management companies are missing up to 30% of utility bills every month due to the fact that people do not submit payments or do not reflect real expenses in full,” Anton Dvoryankin, director of Morton UK Domservis Balashikha, notes. “There are no such problems with wireless, fully automated data transfer.”

Strizh-Telematics does not have retail sales, deliveries to entire houses and residential complexes are more profitable. Monthly sales - 2000-3000 water and electricity meters. The latter still account for 10% of deliveries, since sales started at the end of 2015. The check of management companies varies from 500,000 rubles to several million for a batch of counters. Then they pay several hundred rubles a month for technical support and use of a personal account on the Strizh-Telematics website, in which they can process the received data in any way. Akhmadishin and Sinitsyn's company installs base stations at its own expense, if there is a prospect of connecting new customers in this area of the city.

Regional dealers, which account for about 25% of Strizh-Telematica's revenue, help them negotiate with management companies. About 20% of income comes from exports - integrators and meter manufacturers resell Strizh-Telematics devices to management companies in Europe, the USA and Asia.

For four years, entrepreneurs have invested about 100 million rubles in the business, including reinvested profits. And now they are exploring new areas of application of LPWAN technology. For example, banking: several dozen modems were sold to a company specializing in security systems - to be installed on ATMs in order to alert about hacks. It is important for retail chains to monitor dozens of parameters in warehouses and sales areas for climate control, electricity consumption, etc. Strizh-Telematics has equipped several stores of the Ural chain Monetka and the Siberian Maria Ra with sensors.

Negotiations are underway with the Chinese Haier. Akhmadishin and Sinitsin hope that the Chinese will agree to install their devices in refrigeration equipment for retail instead of Danfoss. Danfoss seems to feel they have a competitor. “The LPWAN system of Strizh-Telematics has a large coverage area and low power consumption, but because of this, this method of data transfer loses speed,” criticizes Ilya Bezdelgin, head of electronic components at Danfoss Russia. “Since the system uses a radio link to transmit data, the signal can weaken, and then amplifiers will be required to increase the coverage area.”

But Strizh-Telematics will soon offer customers the first batch of gas meters with modems. As its founders calculated, the Russian housing and communal services as a whole needs more than 400 million different meters. The sales market is huge, and the demand for new sensors will be raised by 209-FZ, according to which, from July 2016, information for calculating utility bills should be provided only in electronic form. “Maybe, of course, people will write numbers on a piece of paper in the old fashioned way and hand them over to the concierge, and the accountant of the management company will interrupt everything into a computer. But sooner or later, the convenience of new technologies must win,” Akhmadishin is sure.

Export also has good prospects. Strizh-Telematics is preparing for a tender for the Chinese BL Flow, which needs to purchase 8 million water meters with automatic readings for installation in Chinese apartments. “In four years, we have grown from three people in a co-working space to a profitable company with a staff of 30 people. Moreover, in our difficult times, we do not trade in buckwheat, but we build a technological business, - Sinitsin is proud. — Now you understand why I moved from an investment company to the other side of the barricades? It’s nice to know that you are making necessary and useful world-class products.”

Strizh Telematics is a manufacturer of "smart devices" based on a new long-range wireless energy-efficient technology - LPWAN (Low-Power Wide Area Network). The most popular solutions are the collection of meter readings for water, electricity, heat and gas for the housing and communal services sector. In addition, innovative solutions for agriculture and security have been developed using the IoT concept.

LPWAN (Low-Power Wide-Area Network)- a class of wireless telematic devices transmitting data over a radio channel; the basic principle is digital data transmission on an ultra-narrow frequency band at low speeds.

A feature of the technology is a long range of signal transmission from the end device to the receiving station (up to 10 km in urban areas and up to 40 km in open areas); long service life of end devices (more than 10 years without external power supply); cost-effectiveness and ease of implementation of solutions; excellent scalability due to a virtually unlimited number of connected sensors.

LPWAN is the global trend of machine-to-machine (M2M) communications for the Internet of Things (IoT). The technology is able to connect billions of devices around the world and do it as cheaply as possible - unlike traditional telecom / GPRS / LTE operators, where power is required, or from ZigBee / Z-Wave / M-Bus smart home protocols, where the signal range limited to 50 meters.

The long range of the STRIZH network makes it possible to build an efficient network for smart devices. So, for example, to cover Moscow with a cellular network, several thousand base stations are required - their range is only 1-1.5 km. "Strizh" for this purpose, less than 100 base stations are enough.

When there are up to several hundred thousand different devices per base station, its performance becomes a key parameter. Previously, for parallel processing of all frequency channels, the base station had to be built on the basis of processor server solutions and put up with their high power consumption, heat dissipation and high cost.

By porting frequency channel processing to NVIDIA GPUs with NVIDIA CUDA technology, we achieve significantly better performance at a smaller size, power consumption, heat dissipation and price.

History of development

2017: Launch of the IoT franchise

Moscow, Moscow region, St. Petersburg, Perm, Ufa, Grozny, Novokuibyshevsk, Stavropol and Syktyvkar are covered by the Strizh network. In 2016, STRIZH plans to cover all Russian cities with a population of over a million with a smart network.

LPWAN (Low-Power Wide-Area Network) is a new radio communication approach applied to devices and large distributed wireless networks telemetry. Its feature is low power consumption (low-power) and wide territorial coverage (wide-area).

As the telecommunications infrastructure for "gadgets" was formed, it became obvious that the ability of devices and devices to exchange information opens up numerous opportunities - from optimizing existing business processes to creating completely new economic models. This concept of telecommunications development is known as M2M or IoT. In Russia it is known under the term "Internet of Things". Compared to networks serving people, two metrics required radical improvement - connection cost and energy efficiency.

In the last 20 years, many wireless standards and networks have emerged to meet the ever-increasing volume of data transmission between people - GSM, GPRS, 3G, LTE, Wi-Max, Wi-Fi. ZigBee, WirelessHart, LPWAN standards have been developed for the interaction of devices with each other.

LPWAN technology provides energy-efficient data transmission over long distances. Strizh, using the LPWAN approach, creates devices that can transmit information over tens of kilometers and at the same time work for several years on a single battery.

How Strizh works based on LPWAN

The approach used to transfer data in the STRIZH network is very similar to the principle of operation of cellular networks.

Meters and sensors connected to Strizh modems, or devices with already integrated radio modules, transmit readings to the Internet through the base station. Further, on the STRIZH servers, the data is processed and provided in a convenient form in a specially designed web interface. The reverse communication channel allows you to control individual instruments and devices remotely.

However, unlike mobile communication technology, STRIZH uses its own protocol, which allows data to be transmitted over tens of kilometers and ensures the autonomy of the sensors for more than 10 years without power replacement.

Why is LPWAN the future?

Existing wireless technologies are not able to meet the needs of individual applications in the transmission of small data over long distances with high autonomy and low connection costs. As a rule, such applications belong to the field of machine-to-machine communication and the Internet of Things.

LPWAN is a technology that supports an entirely new class of telematics devices. Its appearance became possible due to the development of the component base: radio modules and transceiver equipment.

The main advantages of LPWAN over other technologies

The range of one base station is up to 10 km in a metropolis, up to 50 km in open areas.
One base station is enough to receive a signal from 2,000,000 devices per day.
Easy to connect to LPWAN network additional devices, virtually unlimited scalability.
Metering devices are energy efficient, on average 10 years of operation from one AA battery. Base stations operate on 220V.
No hubs or repeaters. A regular plumber or locksmith can install metering devices.
868 MHz transmission does not require licensing. This reduces the final cost of the system.
It does not require a GSM network and the Internet to work, which is important for villages and open areas.
The LPWAN signal is transmitted from basements and through thick walls. It is impossible to muffle it, since the signal goes in a wide range of frequencies.