802.11 Characteristics Flashcards
802.11a
Radio Frequency?
MIMO?
Speed?
Bandwidth Channel?
5GHz
N/A
54Mbps
20MHz Channel
802.11b
Radio Frequency?
MIMO?
Speed?
Bandwidth Channel?
2.4GHz
N/A
11Mbps
20MHz Channel
802.11g
Radio Frequency?
MIMO?
Speed?
Bandwidth Channel?
2.4GHz
N/A
54Mbps
20MHz Channel
802.11n
Radio Frequency?
MIMO?
Speed?
Bandwidth Channel?
2.4GHz and/or 5GHz
MIMO - 4 Streams
600Mbps
20MHz Channel or 40 MHz Channel (In 2.4GHz, 2 contiguous 20MHz bonded channels are used for 40MHz)
802.11ac
Radio Frequency?
MIMO?
Speed?
Bandwidth Channel?
5GHz
MU-MIMO - 8 Streams
6.9Gbps Total
80MHz Channel with 160MHz optional (2 Contiguous or Non 80MHz bonded channels)
802.11ax
Radio Frequency?
MIMO?
Speed?
2.4GHz and/or 5GHz
MU-MIMO
9.8Gbps Total
Are the 2.4GHz and 5GHz frequencies considered “Unlicenced Frequecies”?
Why or why not?
YES
Because they are part of the Industrial, Scientific and Medical (ISM) Band, which is reserved for Unlicensed wireless transmission