The mainstream protocol standard supported by WiFi router products is IEEE (Institute of Electrical and Electronics Engineers) 802.11n. IEEE 802.11n uses the 2.4GHz and 5GHz frequency bands. The core of the IEEE 802.11n standard is MIMO (multiple-input multiple-output). out) and OFDM technology, the transmission speed is 300Mbps, up to 600Mbps, and it is backward compatible with 802.11b and 802.11g. For example, TP-Link TL-WR740N has these functions.
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