When designing a Wi-Fi product, it’s important to keep in mind what channel set you want your product to use because each country allows and disallows different channels for various Wi-Fi operations. In other words, channels that are supported depend on the regulation in each country. Here is a summary of most countries:
As a result of the growing number of innovative devices equipped with wireless technologies such as Wi-Fi, Bluetooth, and Zigbee coming to market, the European Telecommunications Standards Institute (ETSI) has updated two GHz band standards. Mandatory for market access in Europe, the standards updates are set to take effect in January 2015.
ETSI EN 300 […]
Recently, Network World published an article titled “Old-school Wi-Fi is Slowing Down Networks, Cisco Says”. The article goes into detail about two Cisco engineers who are proposing standards changes to scale down unnecessary traffic to Wi-Fi channels. According to the article, the early Wi-Fi standards that first made wire-free networking a […]
A recent online editorial from Lisa Phifer argues that enterprise Wi-Fi deployments should focus on the 5 GHz band. According to Phifer, the current 2.4 GHz band is so congested with Wi-Fi, Bluetooth, Zigbee, and other interferers that it no longer serves its purpose. As a result, many device manufacturers are looking to […]
Wi-Fi® involves over-the-air communications in two unlicensed frequency bands, the 2.4 GHz and 5 GHz bands, that are available worldwide. 802.11b and 802.11g operate only in the 2.4 GHz band. 802.11a operates in the 5 GHz band, while 802.11n can operate in both bands.
The vast majority of Wi-Fi client devices operate only in the 2.4 […]
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