Wireless Standards

Question 1

Wireless Standard 802.11

Answer 1

Band: 2.4GHz 
Max Data Rate: 1Mbps or 2Mbps
Transmission Method: DSSS or FHSS
Max Range: 20ft
*Not used anymore

Question 2

802.11a

Answer 2

Band: 5GHz
Max Data Rate: 54Mbps
Transmission Method: OFDM
Max Range: 50 feet indoors, 100 feet outdoors

Question 3

802.11b

Answer 3

Band: 2.4GHz
Max Data Rate: 11Mbps
Transmission Method: DSSS
Max Range: 150 feet indoors, 300 feet outdoors

Question 4

802.11g

Answer 4

Band: 2.4GHz
Max Data Rate: 54Mbps
Transmission Method: OFDM or DSSS
Max Range: 150 feet indoors, 300 feet outdoors

Question 5

802.11n

Answer 5

Band: 2.4GHz or 5GHz or Both at the same time
Max Data Rate: 600 Mbps, realistically ~150 Mbps
Transmission Method: OFDM
Max Range: 230 feet indoors, ~450 feet outdoors

Question 6

802.11ac

Answer 6

Band: 5GHz
Max Data Rate: Theoretical-7Gbps Practical- 1.7Gbps to 2.5Gbps
Transmission Method: OFDM
Max Range: 175ft (Dependent on Band)
*More consistent data rates over max distance than 802.11n
*Max speeds vary dependent upon device capability

Question 7

OFDM Acronym

Answer 7

Orthagonal Frequency Division Multiplexing