CB

From HFUnderground

Revision as of 18:05, 19 December 2016 by R4002 (Talk | contribs)
Jump to: navigation, search

High-HF (26-28 MHz) short-range radio service designed for personal or business use by the general public. Generally license free worldwide, although frequency allocations, modes and power limits vary from country to country. However, these limits are often ignored and enforcement is extremely lax. Many countries follow the US 40-channel plan, with most of Europe allowing for use of FM on these frequencies in addition to AM. SSB is legal in some parts of the world, in others only AM/FM or even just FM are allowed. The US CB frequency plan has been standardized Europe-wise as the "CEPT" band (or "mid band") with FM mode. Many countries (Germany, Czech Republic, Russia, the UK, New Zealand etc) have additional channels authorized with the standard 26.965-27.405 MHz US FCC/CEPT "mid band" allocation. See also freebanding.

US CB Frequencies

AM and SSB Modulation

CB Channel Frequency
Channel 1 26.965 MHz
Channel 2 26.975 MHz
Channel 3 26.985 MHz
Channel 4 27.005 MHz
Channel 5 27.015 MHz
Channel 6 27.025 MHz
Channel 7 27.035 MHz
Channel 8 27.055 MHz
Channel 9 27.065 MHz
Channel 10 27.075 MHz
Channel 11 27.085 MHz
Channel 12 27.105 MHz
Channel 13 27.115 MHz
Channel 14 27.125 MHz
Channel 15 27.135 MHz
Channel 16 27.155 MHz
Channel 17 27.165 MHz
Channel 18 27.175 MHz
Channel 19 27.185 MHz
Channel 20 27.205 MHz
Channel 21 27.215 MHz
Channel 22 27.225 MHz
Channel 23 27.255 MHz
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


UK CB "27/81" Frequencies

FM (Frequency Modulation)

The UK allows use of the CEPT "mid band" allocation (same as US frequencies) in addition to the frequencies listed below. AM, FM and SSB are allowed on 26.965-27.405 MHz. FM is the only mode allowed on 27.60125-27.99125 MHz.

CB Channel Frequency
Channel 1 27.60125 MHz
Channel 2 27.61125 MHz
Channel 3 27.62125 MHz
Channel 4 27.63125 MHz
Channel 5 27.64125 MHz
Channel 6 27.65125 MHz
Channel 7 27.66125 MHz
Channel 8 27.67125 MHz
Channel 9 27.68125 MHz
Channel 10 27.69125 MHz
Channel 11 27.70125 MHz
Channel 12 27.71125 MHz
Channel 13 27.72125 MHz
Channel 14 27.73125 MHz
Channel 15 27.74125 MHz
Channel 16 27.75125 MHz
Channel 17 27.76125 MHz
Channel 18 27.77125 MHz
Channel 19 27.78125 MHz
Channel 20 27.79125 MHz
Channel 21 27.80125 MHz
Channel 22 27.81125 MHz
Channel 23 27.82125 MHz
Channel 24 27.83125 MHz
Channel 25 27.84125 MHz
Channel 26 27.85125 MHz
Channel 27 27.86125 MHz
Channel 28 27.87125 MHz
Channel 29 27.88125 MHz
Channel 30 27.89125 MHz
Channel 31 27.90125 MHz
Channel 32 27.91125 MHz
Channel 33 27.92125 MHz
Channel 34 27.93125 MHz
Channel 35 27.94125 MHz
Channel 36 27.95125 MHz
Channel 37 27.96125 MHz
Channel 38 27.97125 MHz
Channel 39 27.98125 MHz
Channel 40 27.99125 MHz



This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Some links may be affiliate links. We may get paid if you buy something or take an action after clicking one of these.