频率范围 279.0 - 281.0 MHz - 频率范围搜索

频率范围简介

暂无频率范围简介

频率明细

  • 类型
    起始频率
    中心频率
    终止频率
  • 太赫 (TeraHertz)
    0.000279 THz
    0.00028 THz
    0.000281 THz
  • 吉赫 (GigaHertz)
    0.279 GHz
    0.28 GHz
    0.281 GHz
  • 兆赫 (MegaHertz)
    279 MHz
    280 MHz
    281 MHz
  • 千赫 (KiloHertz)
    279000 KHz
    280000 KHz
    281000 KHz
  • 赫兹 (Hertz)
    279000000 Hz
    280000000 Hz
    281000000 Hz
  • 波长 (Wavelength)
    1.07 m
    1.07 m
    1.07 m
  • 周期 (Period Time)
    3.584229 ns
    3.571429 ns
    3.558719 ns

频率波段

ITU Radio Bands

  • Band
    Band Name
    Lower Frequency (MHz)
    Upper Frequency (MHz)
    Wavelength
    Note
  • VHF
    Very High Frequency
    30
    300
    10 m – 1 m
    FM radio, TV, airband communication, walkie-talkies

IEEE Standard 521-2002 Bands

  • Band
    Band Name
    Lower Frequency (MHz)
    Upper Frequency (MHz)
    Wavelength
    Note
  • VHF
    Very High Frequency
    30
    300
    10 m – 1 m
    Ground surveillance radar, ship navigation radar

EU, NATO, US ECM Radio Bands

  • Band
    Band Name
    Lower Frequency (MHz)
    Upper Frequency (MHz)
    Wavelength
    Note
  • B
    Low Frequency
    250
    500
    0.6 m – 1.2 m
    Legacy navigation, early communication systems

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