FUNDAMENTALS OF COMPUTER

TELECOMMUNICATIONS SYSTEMS

COMMUNICATION WIRELESS COMPUTING DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The 802.11A wireless technology operates at what frequency range ____ ?
A
7 GHz
B
5 GHz
C
3 GHz
D
1 GHz
Explanation: 

Detailed explanation-1: -Operates in the 5 GHz frequency range (5.125 to 5.85 GHz) with a maximum 54 Mbps signaling rate.

Detailed explanation-2: -802.11a supported the 5 GHz band and a theoretical maximum speed of 54 Mbps. In the early 2000s, many business/enterprise wireless devices used 802.11a Wi-Fi radios. The 5GHz bandwidths allowed for higher speeds than 802.11b and 2.4 GHz.

Detailed explanation-3: -802.11n and 802.11ax can use either the 2.4 GHz or 5 GHz band; 802.11ac uses only the 5 GHz band.

Detailed explanation-4: -AX operates in both the 2.4 GHz and 5 GHz frequencies and is backward compatible with Wi-Fi 4 and 5.

There is 1 question to complete.