1-millimeter band

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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 241 GHz and 250 GHz. Amateurs operate on a primary basis between 248 GHz and 250 GHz and on a secondary basis in the rest of the band. Also, amateurs must protect the radio astronomy service from harmful interference between 241 GHz and 248 GHz. The ITU's allocations are the same in all three ITU Regions.[1]

List of notable frequencies[edit]

  • 245 GHz ISM band center frequency[1]
  • 248.000 to 248.001 GHz Satellite and narrow band modes[2][3]

See also[edit]


  1. ^ a b "FCC Online Table of Frequency Allocations" (PDF). 47 C.F.R. Federal Communications Commission. August 13, 2015. Retrieved October 27, 2015. 
  2. ^ "VHF Managers Handbook" (PDF). 7. International Amateur Radio Union Region 1. January 2015. p. 56. Retrieved October 27, 2015. 
  3. ^ "IARU Region 2 Band Plan" (PDF). International Amateur Radio Union Region 2. October 14, 2016. p. 16.