Скачать или смотреть The Impact of Channel Width on Wi-Fi Range: 20MHz vs. 40MHz

The Impact of Channel Width on Wi-Fi Range: 20MHz vs. 40MHz

While a 40MHz channel width offers potentially higher data throughput compared to 20MHz in WiFi networks, its impact on range is generally negative. The wider channel is more susceptible to interference from other devices and networks operating in the same frequency band, leading to increased packet loss and a reduced effective range. With 20MHz, the narrower signal is less prone to interference and can therefore travel further, providing a more stable connection at a greater distance. Therefore, while 40MHz can boost speeds in less congested environments, 20MHz is often preferable for maximizing range and maintaining a reliable connection, especially when facing interference challenges.

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