Wireless Standards

Question 1

802.11

Answer 1

Band: 2.4GHz
Max Bandwidth: 1Mbps or 2Mbps
Transmission Method: DSSS or FHSS
Max Range: 20 m indoors / 100 m outdoors

Question 2

802.11a

Answer 2

Band: 5 GHz
Max Bandwidth: 54 Mbps
Transmission Method : OFDM
Max Range: 35 m indoor / 120 m outdoors

Question 3

802.11b

Answer 3

Band: 2.4 GHz
Max Bandwidth: 11 Mbps
Transmission Method: DSSS
Max Range: 32 m indoors / 140 m outdoors

Question 4

802.11g

Answer 4

Band: 2.4 GHz
Max Bandwidth: 54 Mbps
Transmission Method: OFDM or DSSS
Max Range: 32 m indoors / 140 outdoors

Question 5

802.11n

Answer 5

Band: 2.4 or 5 GHz
Max Bandwidth: >300 Mbps (with Channel Bonding)
Transmission Method: OFDM
Max Range: 70 m indoors / 250 m outdoors

Question 6

802.11ac

Answer 6

Band: 5 GHz
Max Bandwidth: > 3 Gbps (with Mu-MIMO and several antennas)
Transmission Method: OFDM
Max Range: 70 m indoors / 250 m indoors