Wireless internet has become such a common part of our lives that it is difficult to imagine a world without it. Wi-FiBut how and when did this technology emerge? Who pioneered it, and what stages did it go through before becoming what it is today? In this article, we'll explore... When exactly was Wi-Fi invented?, how it evolved and why it has become an integral part of modern networks.
Many people mistakenly believe that Wi-Fi emerged with the widespread adoption of laptops and smartphones. In fact, its roots go back to the mid-20th century, when scientists were just beginning to experiment with radio waves. The official birth of the standard we know today was thanks to the work of a number of researchers and companies. Let's explore all the details—from the first steps to modern standards. 802.11ax And Wi-Fi 6E.
Wi-Fi Predecessors: Radio Waves and Early Experiments
Before it appeared Wi-Fi In its modern form, scientists have been working on transmitting data over the air for decades. The first experiments with radio waves date back to the end of the 19th century, when Guglielmo Marconi He was the first to transmit a radio signal across the Atlantic Ocean. However, these technologies were far from what we know today as wireless internet.
IN In 1971 company Hawaii ALOHANET developed the world's first wireless network for transmitting data between the islands of Hawaii. It was a revolution: wires were used instead of radio channels, and the speed reached 9600 bpsAlthough it wasn't Wi-Fi in the usual sense, it was ALOHANET laid the foundations for future wireless technologies, including Ethernet And Wi-Fi.
- 📡 1895 — Alexander Popov And Guglielmo Marconi conduct the first experiments with radio.
- 🌊 1971 — launch ALOHANET, the first wireless data network.
- 💡 1985 — Federal Communications Commission (FCC) allows use ISM bands (2.4 GHz) without license.
An important step was the decision FCC in 1985, allow the use industrial, scientific and medical (ISM) frequencies without licensing. This opened the way for the development of devices operating at the frequency 2.4 GHz - the same one that was later used in Wi-Fi.
The Official Birth of Wi-Fi: The 802.11 Standard and the WECA Alliance
The exact date when it appeared Wi-Fi, does not exist, but the key moment was the adoption of the standard IEEE 802.11 V In 1997It was this document that laid the foundation for all future wireless networks. However, the data transfer rate at that time was only 2 Mbps — by today's standards, this is extremely little.
IN In 1999 was founded Wi-Fi Alliance (originally called WECA — Wireless Ethernet Compatibility Alliance). This organization is engaged in certifying devices for compatibility with the standard. 802.11. That's when the name appeared "Wi-Fi" — as a trademark for compatible devices. Interestingly, the word itself "Wi-Fi" has no official decryption, many people mistakenly believe that it is an abbreviation of "Wireless Fidelity".
| Year | Event | Transfer speed |
|---|---|---|
| 1997 | The standard has been adopted IEEE 802.11 | 2 Mbps |
| 1999 | Founded Wi-Fi Alliance, the name "Wi-Fi" appeared | — |
| 1999 | Standard 802.11b (the first mass Wi-Fi) | 11 Mbps |
| 2003 | Standard 802.11g (popularity in everyday life) | 54 Mbps |
The first truly mass standard was 802.11b,Released in In 1999He worked on the frequency 2.4 GHz and provided speed up to 11 MbpsIt was with this device that the triumphant march of Wi-Fi across the world began: the first laptops with wireless support, access points in offices, and even the first public hotspots in hotels and airports.
Who Invented Wi-Fi? Myths and Reality
The question is, Who exactly invented Wi-Fi?, is a source of much controversy. An Australian scientist is often cited John O'Sullivan and his team from CSIRO (Australian Scientific and Industrial Research Organisation). In In 1992 They developed a technology that was later patented and used in standards. 802.11a And 802.11g.
However Wi-Fi — is the result of the work of many scientists and companies. Among the key figures:
- 👨🔬 Vic Hayes — one of the authors of the standard 802.11, called the "father of Wi-Fi".
- 🏢 NCR Corporation And AT&T — companies that developed prototypes of wireless networks in the 1990s.
- 🇦🇺 CSIRO — an Australian organization that has patented technology that speeds up data transfer.
IN In 2009 CSIRO won a lawsuit against companies that used their patent without a license and received billions of dollars in royalties. This once again confirmed the contribution of Australian scientists to the development Wi-Fi was truly significant.
Why is Wi-Fi called "Wireless Fidelity"?
It's actually a myth! The name "Wi-Fi" was invented by a marketing company. Interbrand and has no official definition. The term "Wireless Fidelity" appeared later by analogy with "Hi-Fi" (High Fidelity), but Wi-Fi Alliance never used it.
Evolution of standards: from 802.11b to Wi-Fi 6E
Since the first standard appeared 802.11b V In 1999 technology Wi-Fi It's come a long way. Each new generation has brought increased speed, improved stability, and support for more devices. Let's look at the key milestones:
- 📶 2003 — 802.11g (to
54 Mbps, compatibility with 802.11b). - 🚀 2009 — 802.11n (to
600 Mbps, technology MIMO). - ⚡ 2013 — 802.11ac (to
1.3 Gbps, work on5 GHz). - 🌐 2019 — 802.11ax (Wi-Fi 6, to
10 Gbps, support OFDMA). - 🆕 2021 — Wi-Fi 6E (frequency expansion
6 GHz).
Modern standard Wi-Fi 6E allows you to use a new range 6 GHz, which significantly reduces interference and increases throughput. This is especially important for smart homes, where dozens of devices are connected simultaneously - from light bulbs to video cameras.
Supports the standard 802.11ax|Has a port 2.5G Ethernet or 10G|Works in the range 5 GHz And 6 GHz (for Wi-Fi 6E)|Supports MU-MIMO And OFDMA-->
Wi-Fi in Russia: When did the technology arrive?
IN Russia mass distribution Wi-Fi started in the middle 2000sThe first access points appeared in Moscow and St. Petersburg cafes, hotels, and business centers. However, widespread adoption in homes occurred closer to In 2010when router prices became affordable and providers started offering plans with wireless connections.
Interesting fact: in In 2006 company Yota launched the world's first network in Russia WiMAX - a technology that was supposed to become an alternative Wi-Fi And 3GHowever, due to the high cost of equipment and the slow speed of distribution, the project did not achieve widespread success. Meanwhile Wi-Fi continued to evolve and eventually became the primary standard for wireless Internet access.
⚠️ Attention
In some countries, including Russia, frequencies are used
5 GHzAnd6 GHzRestrictions may apply. Before purchasing a router with support Wi-Fi 6E check if the range is allowed6 GHzin your region.
Today Wi-Fi In Russia, this is not only home networks, but also urban projects such as Moscow Wi-Fi, which covers the capital's public spaces. And with the introduction Wi-Fi 6 And Wi-Fi 6E The speed and stability of the connection will only increase.
The Future of Wi-Fi: What's in Store?
Technology Wi-Fi continues to evolve. A standard is already being developed 802.11be (Wi-Fi 7), which promises:
- 🔥 Speed up to
46 Gbps(4 times faster Wi-Fi 6). - 🎯 Less delay
1 ms(critical for cloud gaming and VR). - 📶 Support 320 MHz channels in the range
6 GHz. - 🔄 Technology Multi-Link Operation (MLO) for simultaneous operation on several frequencies.
It is expected that Wi-Fi 7 will begin to be actively implemented from 2026–2026, and to In 2030 will become as common as it is today Wi-Fi 6In addition, scientists are working on technologies that will allow data to be transmitted at speeds 100 Gbps and above - this will open up new opportunities for Internet of Things (IoT) And smart cities.
Development is also underway Wi-Fi Sensors — a technology that will allow Wi-Fi to be used not only for data transfer, but also for traffic monitoring, temperature measurements and even breathing control (for example, for monitoring infants or the elderly). This will make wireless networks even more versatile.
Interesting facts about Wi-Fi that you didn't know
Over the years of existence Wi-Fi Many myths, legends, and simply curious facts have emerged around it. Here are some of them:
- 🎭 Title "Wi-Fi" was invented by a marketing agency Interbrand and had no technical meaning. It just sounded good and was easy to remember.
- 🚫 In some countries (for example, in France) up to 2013 was prohibited from use Wi-Fi in libraries due to concerns that it might damage books.
- 🌍 The world's largest coverage area Wi-Fi is located in Estonia — there is free internet available throughout the country.
- 💰 In In 2012 CSIRO won the lawsuit against Apple, Microsoft, Intel and other companies that used their patent Wi-Fi without a license. The amount of the claim was more than $1 billion.
- 📡 First in the world Wi-Fi router was released by the company Linksys V In 1999 and cost about $300.
Another little-known fact: Wi-Fi can work not only on frequencies 2.4 GHz And 5 GHz, but also in infrared range. IN 1990s Such systems did exist, but due to their low speed and the need for direct line of sight between devices, they did not become widespread.
⚠️ Attention
If you are using legacy devices that only support 802.11b/g, they can significantly slow down the entire network. It is recommended to disable support for these standards in your router settings or upgrade your hardware.
FAQ: Frequently Asked Questions about the Advent of Wi-Fi
🔹 When did the first Wi-Fi router appear?
First mass Wi-Fi router was released by the company Linksys V In 1999 under the name WRT54GHe maintained the standard. 802.11b and cost about $300Today, such routers can be found on the secondary market as rarities.
🔹 Why does Wi-Fi work on 2.4 GHz and 5 GHz?
Range 2.4 GHz was chosen because of the decision FCC V In 1985 allow its use without a license. Later added 5 GHz to reduce interference and increase speed. Today it is also used 6 GHz in standard Wi-Fi 6E.
🔹 Who came up with the name "Wi-Fi"?
Name "Wi-Fi" was invented by a marketing agency Interbrand V In 1999It has no official definition, although many people mistakenly believe that it is an abbreviation for "Wireless Fidelity".
🔹 When did Wi-Fi become available on smartphones?
The first smartphones with support Wi-Fi appeared in 2002–2003Among them are - Nokia 9500 Communicator And Apple iPhone (first model, 2007), who popularized wireless Internet on mobile devices.
🔹 Will Wi-Fi be replaced by something else?
In the coming decades Wi-Fi It is unlikely to be completely replaced, but it will be complemented by other technologies such as Li-Fi (data transmission via light) or 5G/6G for mobile devices. However, for home and office networks Wi-Fi will remain the main standard.