Which of the following standards supports MIMO technology?

The correct answer is D. 802.11n. MIMO (Multiple Input, Multiple Output) was first introduced in the 802.11n (Wi-Fi 4) standard, ratified in 2009. MIMO uses multiple antennas at both the transmitter and receiver to improve throughput and range. 802.11a (1999) and 802.11b (1999) predate MIMO entirely and use singl

Networking

Question

Options

A802.11a
B802.11b
C802.11g
D802.11n

How the community answered

(26 responses)

A
8% (2)
C
4% (1)
D
88% (23)

Explanation

MIMO (Multiple Input, Multiple Output) was first introduced in the 802.11n (Wi-Fi 4) standard, ratified in 2009. MIMO uses multiple antennas at both the transmitter and receiver to improve throughput and range. 802.11a (1999) and 802.11b (1999) predate MIMO entirely and use single-stream SISO (Single Input, Single Output). 802.11g (2003) also does not support MIMO. 802.11n and all subsequent standards (802.11ac/Wi-Fi 5 and 802.11ax/Wi-Fi 6) utilize MIMO or its extended form, MU-MIMO.

Topics

#Wi-Fi standards#802.11n#MIMO#Wireless networking

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