Amateur Radio Frequency Allocation

Definitions

AbbreviationTermDefinition
kHzKilohertzOne thousand cycles per second
MHzMegahertzOne million cycles per second
GHzGigahertzOne billion cycles per second
THzGigahertzOne trillion cycles per second
LFLow FrequencyA frequency ranging from 30 kHz to 300 kHz
MFMedium FrequencyA frequency ranging from 300 kHz to 3 MHz (3,000 kHz)
HFHigh FrequencyA frequency ranging from 3 MHz to 30 MHz
VHFVery High FrequencyA frequency ranging from 30 MHz to 300 MHz
UHFUltra High FrequencyA frequency ranging from 300 MHz to 3 GHz (3,000 MHz)
SHFSuper High FrequencyA frequency ranging from 3 GHz to 30 GHz
EHFExtremely High FrequencyA frequency ranging from 30 GHz to 300 GHz
THFTremendously High FrequencyA frequency ranging from 300 GHz to 3 THz (3,000 GHz)
CWContinuous WaveRefers to Morse Code operation
RTTYRadioteletypeA telecommunications system that allows for text-based communication

Frequency Allocations by Class

Technician Class

BandFrequency RangePermitted Modes
80m (HF)3.525-3.600 MHzCW
40m (HF)7.025-7.125 MHzCW
15m (HF)21.025-21.200 MHzCW
10m (HF)28.000-28.300 MHzCW, RTTY/Data
10m (HF)28.300-28.500 MHzCW, Phone
6m (VHF)50.0-50.1 MHzCW
6m (VHF)50.1-54.0 MHzCW, Phone, Image, MCW, RTTY/Data
2m (VHF)144.0-144.1 MHzCW
2m (VHF)144.1-148.0 MHzCW, Phone, Image, MCW, RTTY/Data
1.25m (VHF)222.00-225.00 MHzCW, Phone, Image, MCW, RTTY/Data
70cm (UHF)420.0-450.0 MHzCW, Phone, Image, MCW, RTTY/Data
33cm (UHF)902.0-928.0 MHzCW, Phone, Image, MCW, RTTY/Data
23cm (UHF)1240-1300 MHzCW, Phone, Image, MCW, RTTY/Data
13cm (UHF)2300-2310 MHzCW, Phone, Image, MCW, RTTY/Data
12cm (UHF)2390-2450 MHzCW, Phone, Image, MCW, RTTY/Data
9cm (SHF)3300-3500 MHzCW, Phone, Image, MCW, RTTY/Data
5cm (SHF)5650-5925 MHzCW, Phone, Image, MCW, RTTY/Data
3cm (SHF)10.0-10.5 GHzCW, Phone, Image, MCW, RTTY/Data
1cm (SHF)24.0-24.25 GHzCW, Phone, Image, MCW, RTTY/Data
6mm (EHF)47.0-47.2 GHzCW, Phone, Image, MCW, RTTY/Data
4mm (EHF)76.0-81.0 GHzCW, Phone, Image, MCW, RTTY/Data
2.4mm (EHF)122.25-123.00 GHzCW, Phone, Image, MCW, RTTY/Data
2.2mm (EHF)134-141 GHzCW, Phone, Image, MCW, RTTY/Data
1.2mm (EHF)241-250 GHzCW, Phone, Image, MCW, RTTY/Data
<1mm (THF)300+ GHzCW, Phone, Image, MCW, RTTY/Data

General Class

BandFrequency RangePermitted Modes
2.2km (LF)135.7-137.8 kHzCW, Phone, Image, RTTY/Data
630m (MF)472-479 kHzCW, Phone, Image, RTTY/Data
160m (MF)1.800-2.000 MHzCW, Phone, Image, RTTY/Data
80m (HF)3.525-3.600 MHzCW, RTTY/Data
80m (HF)3.800-4.000 MHzCW, Phone, Image
60m (HF)  
40m (HF)7.025-7.125 MHzCW, RTTY/Data
40m (HF)7.175-7.300 MHzCW, Phone, Image
30m (HF)10.100-10.150 MHzCW, RTTY/Data
20m (HF)14.025-14.150 MHzCW, RTTY/Data
20m (HF)14.225-14.350 MHzCW, Phone, Image
17m (HF)18.068-18.110 MHzCW, RTTY/Data
17m (HF)18.110-18.168 MHzCW, Phone, Image
15m (HF)21.025-21.200 MHzCW, RTTY/Data
15m (HF)21.275-21.450 MHzCW, Phone, Image
12m (HF)24.890-24.930 MHzCW, RTTY/Data
12m (HF)24.930-24.990 MHzCW, Phone, Image
10m (HF)28.000-28.300 MHzCW, RTTY/Data
10m (HF)28.300-29.700 MHzCW, Phone, Image
6m (VHF)50.0-50.1 MHzCW
6m (VHF)50.1-54.0 MHzCW, Phone, Image, MCW, RTTY/Data
2m (VHF)144.0-144.1 MHzCW
2m (VHF)144.1-148.0 MHzCW, Phone, Image, MCW, RTTY/Data
1.25m (VHF)222.00-225.00 MHzCW, Phone, Image, MCW, RTTY/Data
70cm (UHF)420.0-450.0 MHzCW, Phone, Image, MCW, RTTY/Data
33cm (UHF)902.0-928.0 MHzCW, Phone, Image, MCW, RTTY/Data
23cm (UHF)1240-1300 MHzCW, Phone, Image, MCW, RTTY/Data
13cm (UHF)2300-2310 MHzCW, Phone, Image, MCW, RTTY/Data
12cm (UHF)2390-2450 MHzCW, Phone, Image, MCW, RTTY/Data
9cm (SHF)3300-3500 MHzCW, Phone, Image, MCW, RTTY/Data
5cm (SHF)5650-5925 MHzCW, Phone, Image, MCW, RTTY/Data
3cm (SHF)10.0-10.5 GHzCW, Phone, Image, MCW, RTTY/Data
1cm (SHF)24.0-24.25 GHzCW, Phone, Image, MCW, RTTY/Data
6mm (EHF)47.0-47.2 GHzCW, Phone, Image, MCW, RTTY/Data
4mm (EHF)76.0-81.0 GHzCW, Phone, Image, MCW, RTTY/Data
2.4mm (EHF)122.25-123.00 GHzCW, Phone, Image, MCW, RTTY/Data
2.2mm (EHF)134-141 GHzCW, Phone, Image, MCW, RTTY/Data
1.2mm (EHF)241-250 GHzCW, Phone, Image, MCW, RTTY/Data
<1mm (THF)300+ GHzCW, Phone, Image, MCW, RTTY/Data

Amateur Extra Class

BandFrequency RangePermitted Modes
2.2km (LF)135.7-137.8 kHzCW, Phone, Image, RTTY/Data
630m (MF)472-479 kHzCW, Phone, Image, RTTY/Data
160m (MF)1.800-2.000 MHzCW, Phone, Image, RTTY/Data
80m (HF)3.500-3.600 MHzCW, RTTY/Data
80m (HF)3.600-4.000 MHzCW, Phone, Image
60m (HF)  
40m (HF)7.000-7.125 MHz MHzCW, RTTY/Data
40m (HF)7.125-7.300 MHz MHzCW, Phone, Image
30m (HF)10.100-10.150 MHzCW, RTTY/Data
20m (HF)14.000-14.150 MHzCW, RTTY/Data
20m (HF)14.150-14.350 MHzCW, Phone, Image
17m (HF)18.068-18.110 MHzCW, RTTY/Data
17m (HF)18.110-18.168 MHzCW, Phone, Image
15m (HF)21.000-21.200 MHzCW, RTTY/Data
15m (HF)21.200-21.450 MHzCW, Phone, Image
12m (HF)24.890-24.930 MHzCW, RTTY/Data
12m (HF)24.930-24.990 MHzCW, Phone, Image
10m (HF)28.000-28.300 MHzCW, RTTY/Data
10m (HF)28.300-29.700 MHzCW, Phone, Image
6m (VHF)50.0-50.1 MHzCW
6m (VHF)50.1-54.0 MHzCW, Phone, Image, MCW, RTTY/Data
2m (VHF)144.0-144.1 MHzCW
2m (VHF)144.1-148.0 MHzCW, Phone, Image, MCW, RTTY/Data
1.25m (VHF)222.00-225.00 MHzCW, Phone, Image, MCW, RTTY/Data
70cm (UHF)420.0-450.0 MHzCW, Phone, Image, MCW, RTTY/Data
33cm (UHF)902.0-928.0 MHzCW, Phone, Image, MCW, RTTY/Data
23cm (UHF)1240-1300 MHzCW, Phone, Image, MCW, RTTY/Data
13cm (UHF)2300-2310 MHzCW, Phone, Image, MCW, RTTY/Data
12cm (UHF)2390-2450 MHzCW, Phone, Image, MCW, RTTY/Data
9cm (SHF)3300-3500 MHzCW, Phone, Image, MCW, RTTY/Data
5cm (SHF)5650-5925 MHzCW, Phone, Image, MCW, RTTY/Data
3cm (SHF)10.0-10.5 GHzCW, Phone, Image, MCW, RTTY/Data
1cm (SHF)24.0-24.25 GHzCW, Phone, Image, MCW, RTTY/Data
6mm (EHF)47.0-47.2 GHzCW, Phone, Image, MCW, RTTY/Data
4mm (EHF)76.0-81.0 GHzCW, Phone, Image, MCW, RTTY/Data
2.4mm (EHF)122.25-123.00 GHzCW, Phone, Image, MCW, RTTY/Data
2.2mm (EHF)134-141 GHzCW, Phone, Image, MCW, RTTY/Data
1.2mm (EHF)241-250 GHzCW, Phone, Image, MCW, RTTY/Data
<1mm (THF)300+ GHzCW, Phone, Image, MCW, RTTY/Data