Channel Spectral width and Power Limitations in Australia

Channel

Frequency (MHz)

Class Licence 2000 (amended) Item

Permitted
EIRP (mW
)

Channel Spectral Width (MHz)
5102040
1

to

13

2400

to

2483.5

45A4000
3451704450100200

36

5180

385190

40

5200

42

5210

44

5220

48

5240

50

5250

44A

50100100
with DFS Disabled inAdvanced Wireless Settings

or

200
with DFS Enabled in AdvancedWireless Settings

52

5260

56

5280

58

5290

60

5300

64

5320

100550046250500500 
with DFS Disabled

or

1000
with DFS Enabled

1045520
1085540
1125560
1165580
1205600Not Permitted
1245620
1285640
132566046

250

500500 
with DFS Disabled

or

1000 
with DFS Enabled
1365680
1405700

149

5745

45B4000

152

5760

153

5765

157

5785

149

5745

152

5760

153

5765

157

5785

160

5800

161

5805

165

5825

Dynamic Frequency Selection (DFS) and Transmitter Power Control (TPC)

Some 5 GHz wireless channels co-exist with some Radar frequencies. Rather than ban WiFi for these frequencies, the ACMA has followed the same principle used in USA and the EU and allowed WiFi to operate on these same frequencies under the limitation that the WiFi gear must have:

  • DFS: a mechanism to automatically detect Radar, and move off to a different channel,  and
  • TPC: a mechanism where the TX power can be reduced at least 6 dB below the maximum permitted.

Both Ubiquiti and Mikrotik devices (CPE boards) and radio cards have the ability to control the above settings which make them safe to use in Australia. If you have difficulties with finding free channel, you might consider to reduce channel with from standard 20Mhz to 10Mhz or even 5Mhz. On the other hand, if you need to use turbo more and you have free channels to use, you might be able to increasy chnnel width to 40Mhz.

Note: Please use the above table as a guide only. For more information about legal limits in Australia please use official government website 
here

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