CB Radio

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See the detailed [[11_meter|11 meter band]] 27 MHz [[CB|CB radio page here]]. 
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American CB radio band plan.  This is the same band plan used by most countries worldwide, including all of North America, South America, Europe, the UK, Australia and numerous other locations.  For more information, [[CB|see the detailed CB page here]]. 
 
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US regulations limit RF output power to 4 watts in FM mode, 4 watts AM carrier power and 12 watts SSB PEP (peak power). 4w AM carrier power equates to 16 watts peak power (PEP) at 100% modulation. 
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This is a basic list page, the detailed CB radio page is located [[CB|here]].
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US regulations permit use of AM, FM and SSB voice modes.  AM mode must be full carrier double side band with a maximum bandwidth of 8 kHz.  FM mode is limited to 8 kHz bandwidth.  SSB mode may be USB or LSB.  Regular suppressed-carrier SSB as well as reduced-carrier SSB and full-carrier SSB (AME) are all permitted, with a maximum bandwidth of 4 kHz.  
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'''Standard CB radio channels'''  
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FCC CB regulations require that all CB equipment has the capability to operate in AM mode as the "default mode". In Europe, FM is the "default mode".   
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US FCC 40 legal CB channels / EU CB channels / [[CB#US_.22FCC.22_.22CEPT.22_or_.22mid_band.22_CB_Frequencies|CEPT]] / mid band FM CB radio / Export Radio / Freeband CB Radio  - [[CB#Export_Radio_.2F_.2210_Meter_Radio.22_CB_Channel_Frequency_Plan_11_Meter_Freeband_Channels|Band D]] (or "Band C" [[CB#Russian_CB_Channel_Frequencies|in Russia]]).   
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The CE (CEPT) Europe-wide standard 27 MHz band CB radio regulations permit FM voice mode only (4 watt power limit).  EU mode is identical, except AM and SSB are also allowed (same requirements as the US FCC CB band).  
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[[AM]] and [[FM]] are used worldwide.  AM is the standard or "default" mode in the United States, Canada and the rest of North America, as well as Central and South America, Australia and a handful of other locations.  In Europe, FM is the standard or "default" mode.  [[SSB]] is used worldwide and is legal nearly everywhere AM and FM are allowed.
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The original 23 channel CB allocation is backward-compatible with the current 40 channel band plan. 23 channel CB radios are still legal.  There are six [[Remote_Control#RC_Transmitter_Regulations_-_Part_15.2C_Part_95_and_Part_97|remote control radio service (RCRS) or Class C]] CB data link, telemetry, remote control, wireless control, paging and model control channels.  Five of them are exclusively allocated for that purpose.  27.255MHz, which is also CB radio channel 23, is shared with the RCRS service and the CB service.  27.255 MHz is used for high power data links, paging and [[HF_pagers|other similar services]].    The RCRS data only channels are used for voice communications (usually illegally) as well. 
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Channel...............................................................Frequency (MHz)
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*Channel 1 - 26.965 MHz
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*Channel 2 - 26.975 MHz
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*Channel 3 - 26.985 MHz
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*RCRS Data/RC - 26.995 MHz
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*Channel 4 - 27.005 MHz
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*Channel 5 - 27.015 MHz
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*Channel 6 - 27.025 MHz
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*Channel 7 - 27.035 MHz
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*RCRC Data/RC - 27.045 MHz
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*Channel 8 - 27.055 MHz
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*Channel 9 - 27.065 MHz
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*Channel 10 - 27.075 MHz
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*Channel 11 - 27.085 MHz
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*RCRS Data/RC - 27.095 MHz
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*Channel 12 - 27.105 MHz
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*Channel 13 - 27.115 MHz
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*Channel 14 - 27.125 MHz
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*Channel 15 - 27.135 MHz
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*RCRS Data/RC - 27.145 MHz
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*Channel 16 - 27.155 MHz
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*Channel 17 - 27.165 MHz
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*Channel 18 - 27.175 MHz
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*Channel 19 - 27.185 MHz
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*RCRS Data/RC - 27.195 MHz
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*Channel 20 - 27.205 MHz
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*Channel 21 - 27.215 MHz
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*Channel 22 - 27.225 MHz
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*Channel 23 - 27.255 MHz - also a RCRS Data/RC channel
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*Channel 24 - 27.235 MHz
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*Channel 25 - 27.245 MHz
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*Channel 26 - 27.265 MHz
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*Channel 27 - 27.275 MHz
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*Channel 28 - 27.285 MHz
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*Channel 29 - 27.295 MHz
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*Channel 30 - 27.305 MHz
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*Channel 31 - 27.315 MHz
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*Channel 32 - 27.325 MHz
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*Channel 33 - 27.335 MHz
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*Channel 34 - 27.345 MHz
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*Channel 35 - 27.355 MHz
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*Channel 36 - 27.365 MHz
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*Channel 37 - 27.375 MHz
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*Channel 38 - 27.385 MHz
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*Channel 39 - 27.395 MHz
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*Channel 40 - 27.405 MHz
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*1...................................................................... 26.965
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For information on country-specific allocations, please see the [[CB|main CB radio page]].
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*2...................................................................... 26.975
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*3...................................................................... 26.985
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*4...................................................................... 27.005
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[[Category:Personal Radio Services]]
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*5...................................................................... 27.015
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[[Category:VHF/UHF Radio Services]]
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*6...................................................................... 27.025
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*7...................................................................... 27.035
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*8...................................................................... 27.055
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*9...................................................................... 27.065
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*10..................................................................... 27.075
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*11..................................................................... 27.085
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*12..................................................................... 27.105
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*13..................................................................... 27.115
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*14..................................................................... 27.125
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*15..................................................................... 27.135
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*16..................................................................... 27.155
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*17.................................................................... 27.165
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*18.................................................................... 27.175
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*19.................................................................... 27.185
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*20.................................................................... 27.205
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*21.................................................................... 27.215
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*22.................................................................... 27.225
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*23.................................................................... 27.255
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*24.................................................................... 27.235
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*25.................................................................... 27.245
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*26.................................................................... 27.265
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*27.................................................................... 27.275
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*28.................................................................... 27.285
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*29.................................................................... 27.295
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*30.................................................................... 27.305
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*31.................................................................... 27.315
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*32.................................................................... 27.325
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*33.................................................................... 27.335
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*34.................................................................... 27.345
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*35.................................................................... 27.355
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*36.................................................................... 27.365
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*37.................................................................... 27.375
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*38.................................................................... 27.385
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*39.................................................................... 27.395
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*40.................................................................... 27.405
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Latest revision as of 15:04, 7 June 2024

See the detailed 11 meter band 27 MHz CB radio page here.


This is a basic list page, the detailed CB radio page is located here.

Standard CB radio channels

US FCC 40 legal CB channels / EU CB channels / CEPT / mid band FM CB radio / Export Radio / Freeband CB Radio - Band D (or "Band C" in Russia).

AM and FM are used worldwide. AM is the standard or "default" mode in the United States, Canada and the rest of North America, as well as Central and South America, Australia and a handful of other locations. In Europe, FM is the standard or "default" mode. SSB is used worldwide and is legal nearly everywhere AM and FM are allowed.

The original 23 channel CB allocation is backward-compatible with the current 40 channel band plan. 23 channel CB radios are still legal. There are six remote control radio service (RCRS) or Class C CB data link, telemetry, remote control, wireless control, paging and model control channels. Five of them are exclusively allocated for that purpose. 27.255MHz, which is also CB radio channel 23, is shared with the RCRS service and the CB service. 27.255 MHz is used for high power data links, paging and other similar services. The RCRS data only channels are used for voice communications (usually illegally) as well.


  • Channel 1 - 26.965 MHz
  • Channel 2 - 26.975 MHz
  • Channel 3 - 26.985 MHz
  • RCRS Data/RC - 26.995 MHz
  • Channel 4 - 27.005 MHz
  • Channel 5 - 27.015 MHz
  • Channel 6 - 27.025 MHz
  • Channel 7 - 27.035 MHz
  • RCRC Data/RC - 27.045 MHz
  • Channel 8 - 27.055 MHz
  • Channel 9 - 27.065 MHz
  • Channel 10 - 27.075 MHz
  • Channel 11 - 27.085 MHz
  • RCRS Data/RC - 27.095 MHz
  • Channel 12 - 27.105 MHz
  • Channel 13 - 27.115 MHz
  • Channel 14 - 27.125 MHz
  • Channel 15 - 27.135 MHz
  • RCRS Data/RC - 27.145 MHz
  • Channel 16 - 27.155 MHz
  • Channel 17 - 27.165 MHz
  • Channel 18 - 27.175 MHz
  • Channel 19 - 27.185 MHz
  • RCRS Data/RC - 27.195 MHz
  • Channel 20 - 27.205 MHz
  • Channel 21 - 27.215 MHz
  • Channel 22 - 27.225 MHz
  • Channel 23 - 27.255 MHz - also a RCRS Data/RC channel
  • Channel 24 - 27.235 MHz
  • Channel 25 - 27.245 MHz
  • Channel 26 - 27.265 MHz
  • Channel 27 - 27.275 MHz
  • Channel 28 - 27.285 MHz
  • Channel 29 - 27.295 MHz
  • Channel 30 - 27.305 MHz
  • Channel 31 - 27.315 MHz
  • Channel 32 - 27.325 MHz
  • Channel 33 - 27.335 MHz
  • Channel 34 - 27.345 MHz
  • Channel 35 - 27.355 MHz
  • Channel 36 - 27.365 MHz
  • Channel 37 - 27.375 MHz
  • Channel 38 - 27.385 MHz
  • Channel 39 - 27.395 MHz
  • Channel 40 - 27.405 MHz

For information on country-specific allocations, please see the main CB radio page.

Retrieved from "https://www.hfunderground.com/wiki/index.php/CB_Radio"



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