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Mar 02

WiFi and The Problem With Radar


The bands in which WiFi operate are known as unlicensed spectrum. This is different in each country that you operate – you have to tell your controller and APs in which domain they operate and the relevant channels are made available. While the 2.4GHz band tends to have a lot more interferers than the 5GHz band (think Microwave ovens, Bluetooth headsets and so on), the 5GHz band is also susceptible. Typically you don’t see too many – we’ve seen things like Mobile phone repeaters that use 5GHz as a backhaul between repeaters, channel hopping and managing to obliterate several channels in the process.

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