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CB RADIO
FREQUENCIES AND INFO

Australian 27MHz HF CB Radio

There are 40 channels allocated to 27MHz Citizen Band (CB) radio in Australia. The frequencies range from 26.9650MHz to 27.4050MHz in approximately 25kHz steps (note that some frequencies are skipped here and there).

Mode: AM
Power: 4W Maximum

Ch	Frequency (MHz)	Ch	Frequency (MHz)
1	27.9650	21	27.2150
2	27.9750	22	27.2250
3	27.9850	23	27.2550
4	27.0050	24	27.2350
5	27.0150	25	27.2450
6	27.0250	26	27.2650
7	27.0350	27	27.2750
8	27.0550	28	27.2850
9	27.0650	29	27.2950
10	27.0750	30	27.3050
11	27.0850	31	27.3150
12	27.1050	32	27.3250
13	27.1150	33	27.3350
14	27.1250	34	27.3450
15	27.1350	35	27.3550
16	27.1550	36	27.3650
17	27.1650	37	27.3750
18	27.1750	38	27.3850
19	27.1850	39	27.3950
20	27.2050	40	27.4050

Australian 477MHz UHF CB Radio

There are 40 channels allocated to 477MHz Citizen Band (CB) radio in Australia. The frequencies range from 476.4250MHz to 477.4000MHz in 25kHz steps.

Mode: NFM
Power: 5W Maximum

Ch	Frequency (MHz)	Ch	Frequency (MHz)
1	476.4250	21	476.9250
2	476.4500	22	476.9500
3	476.4750	23	476.9750
4	476.5000	24	477.0000
5	476.5250	25	477.0250
6	476.5500	26	477.0500
7	476.5750	27	477.0750
8	476.6000	28	477.1000
9	476.6250	29	477.1250
10	476.6500	30	477.1500
11	476.6750	31	477.1750
12	476.7000	32	477.2000
13	476.7250	33	477.2250
14	476.7500	34	477.2500
15	476.7750	35	477.2750
16	476.8000	36	477.3000
17	476.8250	37	477.3250
18	476.8500	38	477.3500
19	476.8750	39	477.3750
20	476.9000	40	477.4000

PLEASE NOTE:
Ch 9 on 27MHz, Ch 5 on UHF and Ch 35 on UHF are designated EMERGENCY CHANNELS.
Only emergency transmissions are permitted on these channels and it is an offence to tranmit non-emergency information on these channels. Also these channels may be monitored by volunteer groups such as CREST.

Ch 11 on both 27MHz and UHF are designated CALLING CHANNELS.
These channels are used to call another CB Radio user only. Once contact is established you should move to another channel.
Ch 1-8 on UHF are designated REPEATER OUTPUTS while Ch 31-38 are designated REPEATER INPUTS.
You should not transmit into a repeater input or output if your using simplex.
Ch 8 on 27MHz and Ch 40 on UHF are designated "truckie" or road information channels.

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