Wireless 802.11 Standards

Question 1

What is the max data rate for each supported band?

802.11

Answer 1

• Max data rate: 2 Mbits/s
• Modulation: DSSS, FHSS
• Bands: 2.4Ghz

Released in 1997

Question 2

What is the max data rate for each supported band?

802.11b

Answer 2

• Max data rate: 11 Mbits/s
• Modulation: DSSS
• Bands: 2.4Ghz

Released in 1999

802.11b is not compatible with either 802.11a or 802.11g

Question 3

What is the max data rate for each supported band?

802.11a

Answer 3

• Max data rate: 54 Mbits/s
• Modulation: OFDM
• Bands: 5Ghz

Released in 1999

802.11a is not compatible with either 802.11b or 802.11g

Question 4

What is the max data rate for each supported band?

802.11g

Answer 4

• Max data rate: 54 Mbits/s
• Modulation: DSSS, OFDM
• Bands: 2.4Ghz

Released in 2003

802.11g is compatible with 802.11b

Question 5

What is the max data rate for each supported band?

802.11n

Answer 5

• Max data rate: 600 Mbits/s
• Modulation: OFDM
• Bands: 2.4Ghz, 5Ghz
• Advanced Antenna: MIMO (up to 4 spatial streams)

Released in 2009

Question 6

What is the max data rate for each supported band?

802.11ac

Answer 6

• Max data rate: 6.93 Gbits/s
• Modulation: OFDM
• Bands: 5Ghz
• Advanced Antenna: MIMO, MU-MIMO (up to 8 spatial streams)

Released in 2013

802.11ac is called Gigabit Wi-Fi or 5G Wi-Fi. Uses dual-band wireless technology, supporting simultaneous connections on both 2.4 GHz and 5 GHz