Consequently, when router’s channel’s width is set to 20MHz, it behaves like a swimmer using only a single swimming lane at a time (lane 1, in this case). To illustrate: if our router is set to work on channel 1 and the channel’s width is set to 40MHz, it behaves like a swimmer who uses two swimming lanes in the same time – he can either swim on lane (channel) 1 or lane 5 (when lane 1 is too crowded). Channel’s width can be imagined as a width of swimming area used by a swimmer. We can also change channel’s width – it can be either 20MHz or 40MHz. In most WiFi routers’ settings channel on which the router works can be changed manually. The same happens with WiFi channels – if there are many WiFi networks in our neighborhood working on the same WiFi channel, our network may work slower.
On the other hand, the more people use the lane, the slower they swim. A channel can be imagined as a swimming lane – the wider the lane is, the more people can swim on it. What makes Bluetooth and WiFi different then ? Wireless networks, like BT and WiFi, apart from the frequency, operate on different channels. TL-WR845N which I have) are configured to broadcast their signal on the same frequency by default. Bluetooth is designed to work on 2.4 GHz and also most popular WiFi routers (e.g.
How can Bluetooth interfere with WiFi ?.
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