The Engineering and Technology History Wiki explains: Millimeter wave millimeter-wavelength millimeter-wavelength Millimeter-Wave-Technologie mmWaves millimeter-wave bands millimeter waves http://ethw.org/Millimeter_Waves Millimeter wave millimetre portion http://ethw.org/Millimeter_Waves http://ethw.org/Millimeter_Waves mmWave millimeter waves Millimeter-Wave-Technologie (MMW millimeter waves http://ethw.org/Millimeter_Waves