I visit my dentist when I want to explore new music

Which of these wireless standards can use the 5 GHz frequency range? Pick two.

A) 802.11a

B) 802.11b

C) 802.11g

D) 802.11n

E) I can hear AM radio stations in my teeth

The answers: A) 802.11a and D) 802.11n

The 802.11a was one of the original wireless standards, and it used the 5 GHz range exclusively. The 802.11n standard can use either 2.4 GHz and/or 5 GHz in normal operation.

Want to know more? Watch “An Overview of Wireless Networking Standards.”

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