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Appendix b: radio bands – Allied Telesis AT-TQ2403 User Manual

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AT-TQ2403 - IEEE 802.11abgh, Dual Radio, Enterprise Wireless Access Point - Installation Guide

Appendix B: Radio Bands

Allied Telesis’s AT-TQ2403 IEEE 802.11abgh, Dual Radio, Enterprise Wireless Access Point is capable of

operating in the 2.4GHz (IEEE 802.11g/b) and in the 5GHz band (IEEE 802.11a/h) simultaneously.

Some of the advantages of the 802.11a/h option are:

• Higher performance. 802.11a can deliver data rates up to 54Mbps and there is enough room in the

5GHz spectrum to support up to 12 access points (depending on local regulations) operating in the same

area without causing interference between access points. This equates to 648Mbps (12 X 54Mbps) total
data rate performance. With 802.11g, you have only three non-overlapping channels for setting access

point frequencies, which can limit capacity.

• Less RF interference: The growing use of 2.4GHz cordless phones and Bluetooth devices is crowding

the radio spectrum within many facilities. This significantly decreases the performance of 802.11g

wireless LANs. The use of 802.11a operating in the relatively un-crowded 5GHz band avoids this

interference.

• Ability to use the Wireless Distribution System (WDS) feature utilizing the 802.11a radio for bridging to

another access point while servicing 802.11g customers without using user bandwidth for the bridging

function.