-80 dBm: Unreliable, and you will struggle to perform most tasks.-70 dBm: Should be sufficient for light web browsing and using email, but is not considered a strong signal.This is a reliable signal strength and should be sufficient for non-HD video streaming. You should be able to perform all WiFi related tasks with ease. -50 dBm: This is an excellent signal strength.-30 dBm: This is the maximum signal strength and likely means you stood right next to the router.If you see WiFi signal strength represented in dBm (decibel milliwatts), then here’s how to make sense of what you see. Higher values on the scale mean better signal, but the scale is still relative rather than absolute like is the case with dBm. So they could choose a scale of 0 to 100 or a scale of 0 to 60, or something else entirely. However, the chipset manufacturer decides on the scale. RSSI has no absolute value and can be represented on a scale of 0 to 255. These two units of measurement both represent the same thing (signal strength), but they aren’t the same. When you check WiFi signal strength, you might see results displayed in RSSI or dBm. Put simply, this is just a measurement of the power present in the received radio signal (WiFi signal). Signal strength bars are essentially a visual representation of the Received Signal Strength Indicator (RSSI). These bars are useful for getting a quick visual on your signal strength, but there are limited in what they tell you. You’re probably familiar with the WiFi strength bars that are a common feature on WiFi-enabled devices like laptops, smartphones, iPads, and so on. IMAGE: UNSPLASH Understanding WiFi Signal Strength The best way to determine whether WiFi signal strength is the source of your problems is by checking WiFi signal strength in your network area. WiFi performance issues can happen for a multitude of reasons. When you have a weak WiFi signal, you will find yourself battling with slow speeds, dropouts, and maybe even no connection whatsoever. When you have a strong WiFi signal, then you have a more reliable internet connection and can perform WiFi intensive tasks on devices around your home. If you’re experiencing slow WiFi or your web pages won’t load, then the problem is likely your WiFi connection, and more specifically, your WiFi signal strength. If you’ve found yourself staring at that little spinning wheel on your screen while you’re trying to stream a video or play an online game, then you’re in the right place.
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