What is a wireless network?
The so-called wireless network is a wireless local area network (WLAN) that uses radio waves as the medium for information transmission. It is very similar to the use of wired networks. The biggest difference lies in the different transmission media. Radio technology is used to replace network cables. Can back up each other with wired networks.
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Common standards:
IEEE 802.11a: Using the 5GHz band, the transmission speed is 54Mbps, and 802.11b Not compatible.
IEEE 802.11b: Using the 2.4GHz frequency band, the transmission speed is 11Mbps.
IEEE 802.11g: Using the 2.4GHz frequency band, the transmission speed is 54Mbps, and it is backward compatible with 802.11b.
Currently IEEE 802.11b is the most commonly used, but IEEE 802.11g has the strength of the next generation standard.
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