Amateur radio bands
Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the International Telecommunication Union (ITU) oversees how much radio spectrum is set aside for amat...
Medium frequency
Medium frequency (MF) is the ITU designation for radio frequencies (RF) in the range of 300 kHz to 3 MHz. Part of this band is the medium wave (MW) AM broadcast band. The MF band is als...
High frequency
High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 MHz. It is also known as the decameter band or decameter wave as its wa...
High frequency - Wikipedia
Amateur television
Amateur television (ATV) is the transmission of Broadcast quality video and audio over the wide range of frequencies of (radio waves) allocated for Radio amateur (Ham) use. ATV is used for non-commerc...
500 kHz
Since early in the 20th century, the radio frequency of 500 kilohertz (500 kHz) has been an international calling and distress frequency for Morse code maritime communication. The unit kilo...
2200 meters
The 2200 meter or 136 kHz band is the lowest frequency band in which amateur radio operators are allowed to transmit. It was formally allocated to amateurs at the 2007 World Radiocommunication Co...
160-meter band
Just above the mediumwave broadcast band, 160 meters refers to the band of radio frequencies between 1800 to 2000 kHz, which is the lowest radio frequency band allocated for use by amateur radio in mo...
80-meter band
The 80 meter or 3.5 MHz band is a band of radio frequencies allocated for amateur radio use, from 3.5 to 4.0 MHz in IARU Region 2, and generally 3.5 to 3.8 or 3.9 MHz in Regions 1 and 3 resp...
Amateur radio satellite
Simple OSCAR beacon signal, 1962An amateur radio satellite is an artificial satellite built and used by amateur radio operators for use in the amateur radio satellite service.
The first amateur ...
Amateur radio satellite - Wikipedia
3-centimeter band
The 3 centimeter or 10 GHz band is a portion of the SHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use on a secondary basis. The amateur radio band is...
List of amateur radio frequency bands in India
Amateur radio or ham radio is a hobby that is practised by over 16,000 licenced users in India.Licences are granted by the Wireless and Planning and Coordination Wing (WPC), a branch of the Ministry o...
List of amateur radio frequency bands in India - Wikipedia
1-millimeter band
The 1 millimeter band is a portion of the EHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use. The amateur radio and amateur satellite band is between ...
WARC bands
The WARC bands are three portions of the shortwave radio spectrum used by licensed and/or certified amateur radio operators. They consist of 30 meters (10.100–10.150 MHz), 17 meters (18.068–18.16...
2-meter band
The 2-meter amateur radio band is a portion of the VHF radio spectrum, comprising frequencies stretching from 144.000 MHz to 148.000 MHz in International Telecommunication Union region (ITU)...
2-meter band - Wikipedia
1.2-centimeter band
The 1.2 centimeter or 24 GHz band is a portion of the SHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use. The amateur radio band is between 24.00 GHz ...
2-millimeter band
The 2 millimeter band is a portion of the EHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use. The amateur radio and amateur satellite band is between ...
Amateur radio frequency allocations
Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the International Telecommunication Union (ITU) oversees how much radio spectrum is set aside for amat...
1.25-meter band
The 1.25 meter, 220 MHz or 222 MHz band is a portion of the VHF radio spectrum internationally allocated for amateur radio use on a primary basis in ITU Region 2, and it comprises frequencie...
1.25-meter band - Wikipedia
6-meter band
The 6-meter band is a portion of the VHF radio spectrum allocated to amateur radio use. Although located in the lower portion of the VHF band, it nonetheless occasionally displays propagation mechani...
6-meter band - Wikipedia
33-centimeter band
The 33-centimeter or 900 MHz band is a portion of the UHF radio spectrum internationally allocated to amateur radio on a secondary basis. It ranges from 902 to 928 MHz and is unique to ITU Regio...
4-millimeter band
The 4 millimeter band is a portion of the EHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use. The amateur radio and amateur satellite band is between ...
70-centimeter band
The 70-centimeter amateur radio band is a portion of the UHF radio spectrum. This band is used by amateurs engaged in emergency communications where portable and mobile radios are frequently used. Ma...
9-centimeter band
The 9-centimeter band is a portion of the SHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use. The amateur radio band, in ITU regions 1 and 2, is betwe...
40-meter band
The 40-meter or 7-MHz band is an amateur radio frequency band, spanning 7000-7300 kHz in ITU Region-2, and 7000-7200 kHz in Regions 1 & 3. It is allocated to radio amateurs worldwide on a primary ...
20-meter band
The 20-meter or 14-MHz amateur radio band is a portion of the shortwave radio spectrum, comprising frequencies stretching from 14.000 MHz to 14.350 MHz. The 20-meter band is widely considere...
4-meter band
The 4-metre (70 MHz) band is an amateur radio frequency band in the lower Very High Frequency (VHF) spectrum. The 4-metre band has a unique character and because very few countries have an alloc...
23-centimeter band
The 23 centimeter, 1200 MHz or 1.2 GHz band is a portion of the UHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use on a secondary basis. The amateur r...
6-millimeter band
The 6 millimeter or 47 GHz band is a portion of the EHF (microwave) radio spectrum internationally allocated to amateur radio and amateur satellite use on a primary basis. The amateur radio and amate...