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WLAN/wifi 802.11 channels

This page describes WLAN 802.11 channels. It covers 2.4GHz, 3.6GHz and 5GHz wifi channel to frequency converter tables.

2.4GHz WLAN Channel to frequency

Following table-1 mentions WLAN channel vs frequency(lower,center,upper) values for channel number 1 to channel number 14 for 2.4GHz frequency band.

WLAN/wifi channel number Lower frequency(MHz) center frequency(MHz) Upper frequency(MHz)
channel-1 2401 2412 2423
channel-2 2404 2417 2428
channel-3 2411 2422 2433
channel-4 2416 2427 2438
WLAN channel-5 2421 2432 2443
channel-6 2426 2437 2448
channel-7 2431 2442 2453
channel-8 2436 2447 2458
channel-9 2441 2452 2463
WLAN channel-10 2451 2457 2468
channel-11 2451 2462 2473
channel-12 2456 2467 2478
channel-13 2461 2472 2483
channel-14 2473 2484 2495

3.6GHz WLAN/wifi Channels

Following table-2 mentions WLAN or wifi channel vs frequency values for channel number 131 to channel number 138 for 3.6GHz frequency band. It also mentions bandwidth support availability for 5/10/20MHz.

WLAN channel number Frequency(MHz) 5MHz bandwidth 10MHz bandwidth 20MHz bandwidth
channel-131 3657.5 Available Not available Not available
channel-132 3660 Not available available Not available
channel-132 3662.5 Available Not available Not available
WLAN channel-133 3665.0 Not available Not available available
channel-133 3667.5 Available Not available Not available
channel-134 3670 Not available available Not available
channel-134 3672.5 available not available not available
channel-135 3675 not available not available not available
channel-135 3677.5 available not available not available
WLAN channel-136 3680 not available available not available
channel-136 3682.5 available not available not available
wifi channel-137 3685.0 not available not available available
channel-137 3687.5 available not available not available
channel-138 3690.0 not available available not available
channel-138 3692.5 available not available not available

5GHz WLAN Channels

Following table-3 mentions WLAN channel vs frequency values for various channel numbers such as channel number 7 to 16, 34 to 64 and channel number 100 to 196 etc. for 5 GHz frequency band.

WLAN channel number Frequency(MHz)
channel-7 5035
channel-8 5040
channel-9 5045
wifi channel-11 5055
channel-12 5060
channel-16 5080
WLAN channel-34 5170
channel-36 5180
channel-38 5190
channel-40 5200
channel-42 5210
channel-44 5220
wifi channel-46 5230
channel-48 5240
channel-52 5260
channel-56 5280
channel-60 5300
channel-64 5320
channel-100 5500
channel-104 5520
WLAN channel-108 5540
channel-112 5560
channel-116 5580
channel-120 5600
channel-124 5620
channel-128 5640
wifi channel-132 5660
channel-136 5680
channel-140 5700
channel-149 5745
channel-153 5765
channel-157 5785
channel-161 5805
channel-165 5825
WLAN channel-183 4915
channel-184 4920
channel-185 4925
channel-187 4935
wifi channel-188 4940
channel-189 4945
channel-192 4960
channel-196 4980

WLAN MAC frames Links

WLAN Association Request and response frame
WLAN authentication Request and deauthentication frame
WLAN beacon frame
WLAN passive vs active scanning frame
WLAN Probe Request and response frame
WLAN reassociation Request and response frame
WLAN RTS and CTS frame

Other Standard MAC layer protocol

WIMAX MAC PROTOCOL
WLAN MAC LAYER PROTOCOL PART1
WLAN MAC LAYER PROTOCOL PART2
ZIGBEE MAC LAYER FRAME
BLUETOOTH MAC LAYER
802.11AC MAC LAYER

RF and Wireless Terminologies


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