H - Definitions

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  • H

    hertz (Hz)

    Hertz (Hz) is the standard unit of frequency in the International System of Units (SI).

  • HSDPA (High-Speed Downlink Packet Access)

    High-Speed Downlink Packet Access (HSPDA) is a packet-based mobile telephony protocol used in 3G Universal Mobile Telecommunications Service (UMTS) radio networks to increase data capacity and speed up download rates.

  • HTML5 mobile app

    An HTML5 mobile app is a web application developed with version 5 of HTML, a web content standard designed for handheld devices like smartphones and tablets.