Wireless Technical Information

 

Channel number to frequency conversion charts.

 All frequencies are in MHz.

 

IEE 802.11b
Channel Number

Lower Frequency

Center Frequency

Upper frequency

255**

2391

2402

2413

0**

2396

2407

2418

1

2401

2412

2423

2

2406

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 #1-11)
Bold channels are non-overlapping to each other.
Channels 12-14 are shown for reference only.
** Channels 255 thru 6 are legal for amateur radio use
and as such may run powers greater than part 15 allows.
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/g
Channel Number		 Center Frequency Bandwidth Options

5 MHz

 10 MHz 20 MHz

3 (2422)

 922 X X

4 (2427)

 917 X X X

5 (2432)

 912 X X X

6 (2437)

 907 X X

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.
Bandwidth usage is sometimes referred to as cloaking.
For more information: www.ubnt.com