Now instead of having to wonder if 'ac' or 'n' is better, or if the two versions are compatible, just look at the number.WiFi 5 is newer than WiFi 4, ie better.Because WiFi networks are always supportive, WiFi 5 devices can connect to WiFi devices 4.
The WiFi Alliance also says this new change is not just on hardware.They hope to be used on the operating system (not the package) to indicate the level of connectivity of the device.In the future, when connecting to a WiFi network, the device (phone, laptop .) will tell you which WiFi version you are connecting.
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