![]() If your router is older, it might be time to upgrade. An excellent connection is -50 dBm, while -60 dBm is likely good enough to stream, handle voice calls, and anything else. However, if you spot a Wi-Fi signal listed at -90, the service is so weak you probably can't connect to that network. If you see -30, you have a "perfect connection," and likely, are standing next to the Wi-Fi router. The first thing to know is measurements of dBm will display in negative numbers. Related: Wi-Fi 6E: What Is It, and How Is It Different From Wi-Fi 6? Decibels relative to milliwatt (dBm) avoids these problems, and many manufacturers convert RSSI to dBm anyway, so we'll cover that measurement. Received Signal Strength Indicator (RSSI) is another option, but Wi-Fi vendors handle it inconsistently and with varying scales. The most accurate measurement is milliwatts (mW), but it's also the hardest to read due to the number of decimal places (0.0001 mW). You can measure a Wi-Fi signal in multiple ways. If you want to dig deeper into the strength of your Wi-Fi, you'll need to use an app or program (like the AirPort Utility app or Wi-Fi Analyzer) to measure its decibels relative to a milliwatt (dBm). Looking at bars in a symbol will only tell you so much. Related: What's the Difference Between 2.4 and 5 GHz Wi-Fi (and Which Should I Use)? A weaker signal, on the other hand, leads to slower speeds, dropouts, and (in some cases) total disconnection. Thicker walls made of denser materials (like concrete) will block a Wi-Fi signal. While 2.4ghz connections broadcast further, they might have interference issues. ![]() The closer you are to the router, the better. Wi-Fi signal strength depends on a variety of factors, such as how far you are from the router, whether it's a 2.4 or 5ghz connection, and even the materials of the walls around you. This is what enables you to take full advantage of the internet speeds available to you. Why Wi-Fi Signal Strength MattersĪ stronger Wi-Fi signal means a more reliable connection. Here's how to check your precise Wi-Fi signal strength. Perhaps you're too far from the source, or thick walls are blocking the signal. This means that three and four bars indicate a good signal quality and anything below indicates a weak signal.If your internet seems slow or web pages won't load, the problem could be your Wi-Fi connection. In the case that you're viewing the Wi-Fi icon to find out the performance of the connection, consider that each bar (including the dot) represents around 25 percent of signal strength. If you're trying to determine the perfect placement on the house or office for the best signal, run the above command where you typically use your computer, then move around to another place or room, and re-run the command to find out the signal strength in the new location. Anything below 60 percent means that you have a weak signal, and you should consider moving the device closer to the access point or relocating the access point to the middle of the house or office. If you see a signal above 70 percent, it's still good for light web browsing and managing emails. ![]() Once you complete the steps, if you see a signal quality between 80 and 100 percent, then the connection is reliable. Source: Windows Central (Image credit: Source: Windows Central)
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