Wireless Technical Information
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Channel number to frequency conversion charts.

 All frequencies are in MHz.

IEE 802.11b 


Channel Number

Lower Frequency
Center Frequency
Upper frequency
1
2401
2412
2423
2
2404
2417
2428
3
2411
2422
2433
4
2416
2427
2438
5
2421
2432
2443
6
2426
2437
2448
7
2431
2442
2453
8
2436
2447
2458
9
2441
2452
2463
10
2446
2457
2468
11
2451
2462
2473
*12* *2456* *2467* *2478*
*13* *2461* *2472* *2483*
*14* *2473* *2484* *2495*
USA/FCC & Canada regions have 11 channels allocated.
Channels 12-14 are shown for reference only.
Each Channel is 22MHz wide.



 

IEE 802.11a 


Channel Number

Center Frequency
USA
ETSI
Max. Allowed Power
36
5180 X X 40mW
40
5200 X X
44
5220 X X
48
5240 X X
52
5260 X* X 200mW
56
5280 X* X
60
5300 X* X
64
5320 X* X
100
5500 X
104
5520 X
108
5540 X
112 5560 X
116 5580 X
120 5600 X
124 5620 X
128 5640 X
132 5660 X
136 5680 X
140 5700 X
149 5745 X 800mW
153 5765 X
157 5785 X
161 5805 X
165 5825
*Channel is allowed for outdoor usage in the USA.
All channels are 54Mbps and listed for indoor usage only except as noted above.

Each Channel is 20MHz wide.



 

IEE 802.11a Turbo 


Channel Number

Center Frequency
USA
ETSI
42
5210 X X
50
5250 X X
58
5290 X X
152
5760 X X
160
5800 X X
All channels are 108Mbps
 
 

Ubiquity SR9 Frequency Chart

802.11b to 900Mhz
Channel Number
Center Frequency Bandwidth Options
5 MHz
10 MHz 20 MHz
3
922 X X
4
917 X X X
5
912 X X X
6
907 X X
Bandwidth usage is sometimes referred to as cloaking.

802.11b channels 3-6 ONLY are valid for translation to 900 MHz frequencies.

 

 

Ubiquity XR9 Frequency Chart

802.11b/g
Channel Number
Center Frequency Bandwidth Options

5 MHz

10 MHz 20 MHz

4 (2427)

907 X X

5 (2432)

912 X X X

6 (2437)

917 X X X

7 (2442)

922 X X

802.11b channels 4-7 ONLY are valid for translation to 900 MHz frequencies.

For more information: www.ubnt.com

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