Have you ever noticed a strange number 6 suddenly appearing on your smartphone or laptop screen next to the familiar wireless network icon? This isn't a random display error or a system glitch. The appearance of this indicator indicates that your device is experiencing problems. connected to the next generation network, using a modern data transfer protocol.
For most users this symbol remains a mystery, although it directly affects Internet speed and connection stability when a large number of devices are connected. Understanding what this designation means will help you properly assess the capabilities of your home network and choose the right hardware for an upgrade.
In this article, we'll take a detailed look at the technical features of the standard, explain the differences between WiFi generations, and answer the question of whether you should immediately replace your router if you see this number.
Technological evolution: from WiFi 4 to WiFi 6
The history of wireless networking has spanned several decades, and each new stage has marked a significant leap in performance. For a long time, users were accustomed to names like 802.11n or 802.11ac, which meant little to the average person. The number 6 you see today is the result of a nomenclature simplification implemented by the alliance. Wi-Fi Alliance for a clearer positioning of technologies.
Previous standards, known as WiFi 4 (802.11n) and WiFi 5 (802.11ac), laid the foundation for widespread wireless internet use. However, with the growing number of smart devices in homes and offices, their bandwidth became insufficient. The new protocol, officially called IEEE 802.11ax, was developed to solve the problems of airwave congestion.
The introduction of the new marking has allowed equipment manufacturers and providers to clearly indicate device compatibility. Now, when a user sees the number 6, they instantly understand that they are working with the latest version of the technology, which not only provides high speed, but also efficient allocation of resources between dozens of gadgets.
Key differences between the new standard and previous versions
The key feature of the technology behind the number 6 is a fundamentally different approach to signal processing. While previous generations operated on the "first come, first served" principle, the new standard utilizes OFDMA (Orthogonal Frequency-Division Multiple Access). It allows a single data transmission channel to be divided into multiple smaller subchannels, sending information to different devices simultaneously rather than sequentially.
Another important difference is the modulation support. 1024-QAMThis is a technical term for a data encoding method that allows for the transmission of 25% more information in a single packet compared to the previous standard. For the user, this means faster downloads of large files and high-definition video content.
Also worth noting is improved performance in noisy environments. In apartment buildings, where each neighbor uses their own router, signals often interfere with each other. The new protocol can ignore background noise and select the clearest frequencies for data transmission.
- 🚀 Speed: The theoretical maximum has increased to 9.6 Gbps compared to 3.5 Gbps in its predecessor.
- ⚡ Efficiency: TWT technology allows devices to "sleep" when they are not transmitting data, saving smartphone battery life.
- 📡 Coating: Improved long-range and through-wall performance thanks to new beamforming algorithms.
Why is the actual speed lower than stated?
The theoretical speed of 9.6 Gbps is the router's total throughput under ideal conditions. In reality, speed depends on the provider's plan, cable quality, distance to the router, and the number of devices connected simultaneously. Real-world performance typically ranges from 30-40% of the theoretical maximum.
How to check your hardware compatibility
The presence of the number 6 on your phone screen does not guarantee that your entire home network is operating at maximum speed. For full functionality, it is necessary that both ends of the connection support the new standard. This means that both the router and the receiving device (smartphone, laptop, tablet) must be equipped with the appropriate modules.
If your router is older but your phone is new, you'll see a standard icon with no number or with a 4/5, as the connection will be established using the old protocol. Conversely, if your router supports the new standard but your phone is several years old, the 6 won't appear either. You can check for support in the device's specifications by looking for the symbol 802.11ax.
Many modern flagship smartphones released after 2019-2020 already have built-in support. However, budget-friendly devices and smart home devices (light bulbs, sockets) often lack this feature and continue to operate on older frequencies.
| WiFi generation | Technical name | Year of implementation | Max. speed |
|---|---|---|---|
| WiFi 4 | 802.11n | 2009 | 600 Mbps |
| WiFi 5 | 802.11ac | 2014 | 3.5 Gbps |
| WiFi 6 | 802.11ax | 2019 | 9.6 Gbps |
| WiFi 6E | 802.11ax (6 GHz) | 2020 | 9.6 Gbps |
☑️ Checking WiFi 6 Readiness
Impact on connection speed and stability
Users often wonder: will they notice a difference in everyday use? If you live alone in a private home and only use the internet for email, the difference may not be noticeable. However, in high-traffic scenarios, the new standard works wonders.
Imagine a situation where one family member is downloading a 100GB game, another is watching 4K video on a TV, and a third is playing an online shooter. On older equipment, latency (ping) and buffering would occur. OFDMA And BSS Coloring (Basic Service Set Coloring) allows the router to prioritize traffic, minimizing latency for gaming and video calls.
⚠️ Attention: Internet speed is limited not only by your router but also by your provider's plan. Even with the most powerful equipment, you won't get speeds higher than your contract stipulates. Check your plan terms in your personal account.
Additionally, the network has improved its handling of small data packets, which is critical for smart home devices. Sensors, cameras, and voice assistants operate more responsively, eliminating network bottlenecks.
What is the difference between WiFi 6 and WiFi 6E?
Recently, markings have appeared on the market WiFi 6E. Many users confuse these terms, considering them synonyms, but there is a significant technical difference between them. The "E" stands for "Extended," and the key difference lies in the frequency range used.
The standard operates in two traditional bands: 2.4 GHz and 5 GHz. These frequencies are already heavily congested, as they are used not only by routers but also by microwave ovens, Bluetooth devices, and baby monitors. Version 6E adds a third, entirely new band— 6 GHz.
The 6 GHz band offers significantly more available channels and is virtually free of interference from neighboring networks. However, to operate in this band, you need not only a router that supports 6E but also a client device (smartphone or laptop) that also supports 6 GHz.
- 📶 2.4 GHz band: Long-range, but slow and noisy.
- ⚡ 5 GHz band: Fast, but has less coverage and average traffic.
- 🚀 6 GHz band (6E): Maximum speed, minimal latency, but shorter range.
Do I need to change my router to work with the new standard?
The question of upgrading your equipment faces every tech owner. If you don't see the number 6 and want the benefits of the new standard, replacing your router is inevitable. Older models can't be physically updated to support 802.11ax via software, as they require different antenna modules and processors.
However, don't rush to the store if you're not experiencing speed issues. If your current router provides a stable internet connection and you don't experience any lag when watching videos or playing games, then a quick upgrade may not make sense. Speed gains are most noticeable with gigabit plans.
When choosing a new device, pay attention to the availability of ports. Gigabit Ethernet (or even 2.5 Gbps). There's no point in buying an expensive router that supports the new standard if its WAN port is limited to 100 Mbps—it will simply cut off your fast internet.
⚠️ Attention: Equipment specifications and supported standards are subject to change by manufacturers. Before purchasing, be sure to check the technical specifications of your specific router model and your smartphone on the manufacturers' official websites.
Does the number 6 affect smartphone battery life?
Yes, it does, but in a positive way. Thanks to Target Wake Time (TWT) technology, devices can negotiate sleep times with the router. Instead of constantly scanning the air, the smartphone wakes up only to receive data, saving battery life.
Will the new router work with old phones?
Absolutely yes. WiFi standards are fully backward compatible. The new router will work with all devices, but older phones will connect at their maximum speed (WiFi 4 or 5), not taking full advantage of the new protocol.
Why is there a number 6 on one phone and not on the other?
It depends on the year and model of the device. Most likely, a phone without the number 6 was released before 2019-2020 or belongs to the budget segment, where manufacturers skimp on the wireless module.