Flashcards for Wireless Standards Overview

802.11b - Speed & Frequency

11 Mbps

802.11b - Use Case

Older Wi-Fi networks

802.11a - Speed & Frequency

54 Mbps

802.11a - Use Case

Faster than 802.11b but with shorter range.

802.11g - Speed & Frequency

54 Mbps

802.11g - Use Case

Combines the speed of 802.11a with the range of 802.11b.

802.11n (Wi-Fi 4) - Speed

Up to 600 Mbps (300 Mbps per stream).

802.11n (Wi-Fi 4) - Frequency

2.4 GHz and 5 GHz.

802.11n (Wi-Fi 4) - Key Feature

Introduced MIMO (Multiple Input

802.11ac (Wi-Fi 5) - Speed

Up to 1.7 Gbps.

802.11ac (Wi-Fi 5) - Frequency

5 GHz.

802.11ac (Wi-Fi 5) - Use Case

Faster speeds and better performance in crowded areas.

802.11ax (Wi-Fi 6) - Speed

Up to 8.4 Gbps.

802.11ax (Wi-Fi 6) - Frequency

2.4 GHz

802.11ax (Wi-Fi 6) - Use Case

Improved efficiency

2.4 GHz Band - Total Channels

14 channels.

2.4 GHz Band - Non-Overlapping Channels

Channels 1

Why Use Non-Overlapping Channels?

To avoid interference between devices.