![]() This is in contrast to many other areas of the radio spectrum that generally require some form of (paid-for) licence to operate radio equipment.Īll wireless services are generally subject to a range of enforceable technical restrictions to ensure they operate in a manner that will minimize interference to other wireless services. Wi-Fi networks operate in areas of RF spectrum that require no licence to operate. However, beneath the headline of “2.4Ghz = bad, 5Ghz = good”, there lurks a shadowy figure that can be troublesome if you’re not aware of its potential impact: DFS. ![]() 5GHz has far more channels available, a corresponding lower number of devices per channel, and generally suffers much lower non-Wi-Fi interference. Many wireless LAN professionals will generally advise that you put your “important stuff” on the 5GHz band whenever possible. The 2.4GHz band has a reputation of being something of a “sewer” of a band, due to its limited number of usable channels, the number of Wi-Fi devices already using the band, and the high levels of non-Wi-Fi interference that it experiences. Wi-Fi networking provides us with 2 bands for the operation of wireless LAN networks: the 2.4Ghz band and the 5GHz band.
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