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EHF (???????????) [2] عدل القيمة على Wikidata
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30 ???????? [3] عدل القيمة على Wikidata
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300 ???????? [3] عدل القيمة على Wikidata
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W band (en) ترجم عدل القيمة على Wikidata

?????? ????? ???????? ( ??????????? : Extremely high frequency )? ???????? EHF? ?? ?????? ?????? ??????? ??? ?????? ??? 30 ???????? ??? 300 ???????? ? ????? ????? ???? ????? ?????? ?? ??? 10 ?? ??? 1 ??? ???? ???? ???????? ???????????. [4] [5] [6] ???? ???????? ??? ?????? ??? ?? ?????? ???? ????? ????????? ?? ??? ??????? .??? ???????? ?????? ??? ????? ??? ???? ????? ??????? ?? ????? ??? ??????? ??????? (Microwave).

?? ??? ???? ??? ???????? ???? ????? ??????? ??????? ????? ??????????????

????????? [ ??? ]

?????? ???????? ????? ????? ?? ??? ????? ???????? ?????????? ?? ??? ??? ?????? ???? ?? ???? ????????? ????????? ? ??? ???????? ??????? ????????? ?????? ???? ???????? ?? 38.6 ??? 40 ???????? ?? ????? ??????? ???? ?????? ??????? (????? ????? ?????)? ??? ???? ?????? 60 ???????? ?????? ?????? ??????? ??????? ????? ??? ??????? (?? ????? ????? ?????)? ??? ??? ???? ??? ???????? 2.5 ???? ???/??????? ?????? 1.7 ??.

????? [ ??? ]

  1. ^ ????? ??: Nomenclature of the frequency and wavelength bands used in telecommunications . ??? ????? ?? ??? ?????: ???? ????? ?? ????? ???????. ??????: ??????? ?????? ?????????.
  2. ^ ????? ??: Radio Regulations, Edition of 2020 . ??? ?? ??? ?? ???? ?? ???: 2.1. ??????: ??????? ?????? ?????????. ??? ????? ?? ??? ?????: ???? ????? ?? ????? ???????. ????? ?????: 2020.
  3. ^ ? ? ????? ??: Nomenclature of the frequency and wavelength bands used in telecommunications (08/2015) . ??????: ??????? ?????? ?????????. ??? ????? ?? ??? ?????: ??????????. ????? ?????: ????? 2015.
  4. ^ FCC.gov , Comments of IEEE Geoscience and Remote Sensing Society, FCC RM-11104, 10/17/07 ???? ?????? 2 ????? 2017 ??? ???? ??? ??? ???? .
  5. ^ "Mirror for Star Ledger Article "PATH riders to face anti-terror screening ? Program will begin at station in Jersey City" . 12 ????? 2006. ?. 014. ????? ?? ????? ?? 2017-06-26.
  6. ^ Huang? Kao-Cheng? Zhaocheng Wang (2011). Millimeter Wave Communication Systems . John Wiley & Sons. ?. Sections 1.1.1?1.2. ISBN : 1-118-10275-4 . ????? ?? ????? ?? 2020-02-07.