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Scaling Networks Companion Guide by Cisco Networking Academy

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Glossary

2.4 GHz (UHF)

Part of the ultra-high frequency of the ITU radio frequency range allocated to IEEE 802.11b, 802.11g, 802.11n, and 802.11ad.

5 GHz (SHF)

Part of the super-high frequency of the ITU radio frequency range allocated to IEEE 802.11a, 802.11n, 802.11ac, and 802.11ad.

60 GHz (EHF)

Part of the highest radio band (extremely high frequency) allocated to IEEE 802.11ad.

802.11

A standard that defines how radio frequency in the ISM frequency bands is used for the physical layer and the MAC sublayer of wireless links.

802.11a

The IEEE standard for wireless LANs using the U-NII spectrum, OFDM encoding, at speeds of up to 54 Mbps.

802.11ac

The IEEE standard for wireless LANs operating in the 5-GHz frequency band and provides data rates ...

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