13-centimeter band

The 13 centimeter, 2.3 GHz or 2.4 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 radio band is between 2300 MHz and 2450 MHz. The amateur satellite band is between 2400 MHz and 2450 MHz, and its use by satellite operations is on a non-interference basis to other radio users (ITU footnote 5.282). The license privileges of amateur radio operators include the use of frequencies and a wide variety of modes within these ranges for telecommunication. The allocations are the same in all three ITU Regions.[1]

In the 2300-2400 MHz range the band is also allocated to the Mobile service on a Primary basis which in practice leads to some challenging sharing scenarios and inconsistent allocations to amateurs at national level.

Above 2400 MHz amateur stations must accept harmful interference caused by industrial, scientific, and medical equipment operating in the band. The most common ISM devices that operate in the band are microwave ovens.

List of notable frequencies

ITU regions.
  Region 1
  Region 2
  Region 3

United States

In the United States, the 13 cm band comprises frequencies in two segments stretching from 2.300 to 2.310 GHz, and from 2.390 to 2.450 GHz.[4] (The segment from 2.310 to 2.390 GHz was withdrawn from the amateur service and reallocated to direct satellite radio broadcasting, e.g., Sirius XM Radio.) The segment, 2.390 to 2.417 GHz, is domestically allocated amateur radio on a primary basis, while the remainder of the band is only available on a secondary basis.[1] It is authorized to all amateur radio licensees who hold a Technician or higher class license (US), or a Basic or higher license (Canada). The band is allocated on a shared basis with other services, and U.S. Federal Communications Commission (FCC) Rules specify that amateurs may not cause interference to and must accept interference from other services authorized by other nations, and by radio-location, fixed, and mobile stations (except aeronautical) authorized by the FCC.[5] As in the rest of the world, US stations in the amateur service are not protected from interference caused by industrial, scientific, and medical equipment.

The bandplan published by the American Radio Relay League recommends frequencies based on intended activity in the band.[6]

See also

References

  1. 1 2 "FCC Online Table of Frequency Allocations" (PDF). 47 C.F.R. Federal Communications Commission. August 13, 2015. Retrieved October 27, 2015.
  2. "IARU Region 2 Band Plan" (PDF). International Amateur Radio Union Region 2. September 27, 2013. pp. 10–11. Retrieved October 27, 2015.
  3. "VHF Managers Handbook" (PDF). 7. International Amateur Radio Union Region 1. January 2015. p. 47. Retrieved October 27, 2015.
  4. Title 47, Part 97.301 (Subpart D): Technical Standards. http://www.arrl.org/FandES/field/regulations/news/part97/d-301.html accessed 12 May 2008
  5. 47 C.F.R. §97.301, §97.303
  6. http://www.arrl.org/band-plan-1
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