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What Is the RF Spectrum Range and How Is It Classified by Wavelength?
2026-04-24
230
RF Spectrum Range and Wavelength Classification
Wavelength:
λ (m) = 300 / f (MHz)
or
λ (cm) = 30 / f (GHz)
The basic antenna dimension is:
L = λ / 4
|
Band |
Frequency |
Wavelength |
Application Range |
||
|
VLF |
3KHZ |
30KHZ |
100km |
10km |
Low-Frequency (LF) Long-Wave Communication |
|
LF |
30KHZ |
300KHZ |
10km |
1km |
|
|
MF |
300KHZ |
3MHZ |
1km |
100m |
Medium-High Frequency (MF/HF) Short-Wave Communication |
|
HF |
3MHZ |
30MHZ |
100m |
10m |
|
|
VHF |
30MHZ |
300MHZ |
10m |
1m |
Very High Frequency (VHF) and Ultra High Frequency (UHF) Communication |
|
UHF |
300MHZ |
3GHZ |
1m |
10cm |
|
|
SHF |
3GHZ |
30GHZ |
10cm |
1mm |
Microwave Communication |
|
EHF |
30GHZ |
300GHZ |
1mm |
0.1mm |
|
About Kinghelm
Kinghelm is a high-tech enterprise specializing in RF and connectivity solutions. The company offers a wide range of products, including Beidou/GPS antennas, Wi-Fi, Bluetooth, NB-IoT, LORA, Zigbee antennas, RF cables and connectors, board-to-board and plug-in connectors, switches, terminals, and customized automotive and industrial components. With over 17 years of experience, Kinghelm serves industries such as automotive, telecommunications, industrial automation, medical devices, and consumer electronics. Known for durable, reliable components that meet international standards, Kinghelm supports applications ranging from renewable energy to IoT devices.
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