Voice Over WLANS

Appendix The IEEE 802.11 Standards

WLAN Radio Link Protocols: 802.11a, b, g, and n

The transmission rates and frequency bands are summarized in Table A-1, which was also shown as Table 2-7 and Table 5-1.

Table A-1: IEEE 802.11 Radio Link Interfaces

Standard

Maximum Bit Rate (Mbps)

Fallback Rates

Channel Bandwidth

Non-Interfering Channels

Transmission Band

Licensed

802.11b

11

5.5, 2, or 1 Mbps

22 MHz

3

2.4 GHz

No

802.11g

54

48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, or 1 Mbps

20 22 MHz

3

2.4 GHz

No

802.11a

54

48, 36, 24, 18, 12, 9, or 6 Mbps

20 MHz

23

5 GHz

No

802.11n (Draft)

?289 (at 20 MHz)

?600 (at 40 MHz)

Down to 6.5 Mbps (at 20 MHz)

20 or 40 MHz

2 in 2.4 GHz 11 in 5 GHz (40 MHz)

2.4 or 5 GHz

No

802.11d

802.11d is a supplementary standard addressing regulatory considerations for radio links in other countries. The North American and ITU Digital Transmission Rates are given in Table A-2.

Table A-2: North American and ITU Digital Transmission Rates

North America

ITU

Level

Bit Rate

Level

Bit Rate

Original Hierarchy

DS-0

64 Kbps

DS-0

64 Kbps

UNLIMITED FREE
ACCESS
TO THE WORLD'S BEST IDEAS

SUBMIT
Already a GlobalSpec user? Log in.

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

Customize Your GlobalSpec Experience

Category: ZigBee® Chips
Finish!
Privacy Policy

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.