Some Wi-Fi networks are faster than others due to the frequency used, router technology, and the quality of equipment and network configuration.
Not all Wi-Fi routers are created equal: the quality of the antennas, the type of processor, and the memory significantly influence overall performance. A powerful router with multiple antennas and efficient electronics can handle more simultaneous connections without slowdowns and offers better range. Basic or outdated models tend to saturate more quickly, sometimes overheat excessively, and noticeably slow down when multiple devices are simultaneously demanding the connection. Investing in high-quality equipment often means a much smoother and more stable Wi-Fi connection on a daily basis.
Your Wi-Fi network behaves a bit like a road: the more cars (connected devices) there are, the slower it gets for everyone. Each channel has a certain bandwidth, which is like the number of lanes on a highway. When many neighbors are all using the same channel, it's like a traffic jam during rush hour. The result: your speed drops under the weight of all that traffic. Using the router settings to choose a less crowded channel often helps smooth out your connection.
The speed of Wi-Fi largely depends on the standard used. Recent standards like 802.11ax (Wi-Fi 6) offer significant improvements over previous standards like 802.11ac (Wi-Fi 5). Specifically, Wi-Fi 6 uses advanced techniques like OFDMA, which allows multiple devices to transmit simultaneously, resulting in less wait time and therefore a faster and more stable connection when multiple users are connected. Wi-Fi 6 networks also provide better performance in heavily populated areas, such as cafes, offices, or crowded apartments. In contrast, older standards (802.11n, Wi-Fi 4) are less efficient, often have a shorter range, and quickly become inadequate as more devices connect to them. So clearly, the newer the standard used, the more likely the Wi-Fi network will be fast, reliable, and pleasant to use on a daily basis.
Wi-Fi waves are like music flowing through the air: if you put obstacles in its path, the melody reaches your ears less clearly. The same goes for the Wi-Fi signal: a thick wall made of reinforced concrete or brick, a metal door, or even very dense furniture can cause a noticeable drop in signal strength. Another thing that really messes things up: certain household devices like the microwave, cordless phones, or even poorly insulated LED lights. These objects emit signals that interfere with your Wi-Fi, making the connection noticeably slower and less stable.
Distance is essential: the further you are from the router, the weaker your signal becomes (and thus, your speed drops quickly). Wi-Fi goes through obstacles while losing power each time, so a clear, close position without large walls is ideal. A higher placement is also better, preventing your signal from having to unnecessarily pass through furniture or appliances. The ideal location remains a clear, central spot, close to the rooms where you spend the most time.
The new Wi-Fi standards like Wi-Fi 6 (802.11ax) not only provide better speeds but also offer improved management of simultaneously connected devices, which is very useful for smart homes.
The position of your Wi-Fi router can significantly influence the connection speed; for example, placing it higher up or in the center of your home generally improves coverage and overall performance.
Construction materials such as steel, concrete, or certain mirrors can drastically reduce the range and strength of a Wi-Fi network. Always choose a strategic position in your home to maximize the signal.
The microwave operates at a frequency very close to 2.4 GHz Wi-Fi, which is why it can sometimes significantly slow down your connection when you heat up your meal!
Wi-Fi 6 is particularly interesting if you have many recent compatible devices, as it improves overall speed, stability, and the management of multiple simultaneous connections. The difference will be especially noticeable in highly connected households or for streaming ultra-high-definition video and online gaming.
The 2.4 GHz Wi-Fi band offers a wider range but has limited bandwidth and is more susceptible to interference. In contrast, the 5 GHz band provides higher speeds and less interference but has a shorter range. Choose the frequency based on your locations and uses.
To determine the best Wi-Fi channel, you can use free network analysis applications available on smartphones, tablets, or computers. These apps analyze the congestion of nearby channels and suggest the least crowded one, allowing for a quick improvement in the quality of your connection.
Yes, there are several ways to improve your connection without changing equipment, such as repositioning your router in an open area, reducing the number of devices connected simultaneously, switching Wi-Fi channels in case of congestion, or optimizing the configuration of your existing router.
The speed advertised by manufacturers corresponds to an optimal theoretical performance that is rarely achieved in reality. The difference mainly arises from environmental interference, physical obstacles to the signal, the number of connected devices, as well as the possible gap between the capabilities of your device and those of the router.
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