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A radio band is a small frequency band (a contiguous section of the range of the radio spectrum) in which channels are usually used or set aside for the same purpose. To prevent interference and allow for efficient use of the radio spectrum, similar services are allocated in bands.
The list of frequency ranges is called a band allocation, which may be set by international agreements, and national regulations. The modes and types of allocations within each frequency band is called a bandplan; it may be determined by regulation, but most typically is set by agreements between amateur radio operators. National authorities ...
US frequency allocations chart, 2016. Frequency allocation (or spectrum allocation) is the part of spectrum management dealing with the designation and regulation of the electromagnetic spectrum into frequency bands, normally done by governments in most countries. [1]
Country or territory Operator VoLTE B1 2100 MHz B3 1800 MHz B7 2600 MHz B8 900 MHz B20 800 MHz B28 700 MHz B32 1500 MHz B38 2600 MHz B40 2300 MHz CA [G 1] schemes Notes Åland Islands Ålcom: 15 MHz, ...
The radio may cover 76 to 108 MHz, the frequency coverage may be selectable by the user, or during assembly the radio may be set to operate on one band by means of a specially placed diode or other internal component. Conventional analog-tuned (dial & pointer) radios were formerly marked with "TV Sound" in the 76–88 section.
GSM frequency bands or frequency ranges are the ... European tri-band phones typically cover the 900, 1800 and 1900 bands giving good coverage in Europe and allowing ...
The allocation of radio frequencies is provided according to Article 5 of the ITU Radio Regulations (edition 2012). [2]In order to improve harmonisation in spectrum utilisation, the majority of service allocations stipulated in this document were incorporated in national tables of frequency allocations and utilisations which are within the responsibilities of the appropriate national ...
The final letter(s) indicate the mode (AM or FM). For example, 27.185 MHz AM (Channel 19 in the European/American frequency plan) would be designated "C19EA" or "C19EAM". 27.180 MHz FM (Channel 19 on the Polish assignment) would be designated "C19PF" or "C19PFM". The B-C-D (or "grid") designation comes from common export radio band labeling.