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  2. Universal synchronous and asynchronous receiver-transmitter

    en.wikipedia.org/wiki/Universal_synchronous_and...

    A universal synchronous and asynchronous receiver-transmitter (USART, programmable communications interface or PCI) [1] is a type of a serial interface device that can be programmed to communicate asynchronously or synchronously. See universal asynchronous receiver-transmitter (UART) for a discussion of the asynchronous capabilities of these ...

  3. Wireless power transfer - Wikipedia

    en.wikipedia.org/wiki/Wireless_power_transfer

    Wireless power transfer (WPT; also wireless energy transmission or WET) is the transmission of electrical energy without wires as a physical link. In a wireless power transmission system, an electrically powered transmitter device generates a time-varying electromagnetic field that transmits power across space to a receiver device; the receiver ...

  4. Universal asynchronous receiver-transmitter - Wikipedia

    en.wikipedia.org/wiki/Universal_asynchronous...

    The first single-chip UART on general sale. Introduced about 1971. Compatible chips included the Fairchild TR1402A and the General Instruments AY-5-1013. [11] Exar XR21V1410 Intersil 6402 CDP 1854 (RCA, now Intersil) Zilog Z8440 Universal synchronous and asynchronous receiver-transmitter (USART). 2000 kbit/s. Async, Bisync, SDLC, HDLC, X.25.

  5. Base transceiver station - Wikipedia

    en.wikipedia.org/wiki/Base_transceiver_station

    A base transceiver station (BTS) or a baseband unit [1] (BBU) is a piece of equipment that facilitates wireless communication between user equipment (UE) and a network. UEs are devices like mobile phones (handsets), WLL phones, computers with wireless Internet connectivity, or antennas mounted on buildings or telecommunication towers.

  6. Bluetooth - Wikipedia

    en.wikipedia.org/wiki/Bluetooth

    A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol. Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs).

  7. Iridium Communications - Wikipedia

    en.wikipedia.org/wiki/Iridium_Communications

    Iridium Communications Inc. (formerly Iridium Satellite LLC) is a publicly traded American company headquartered in McLean, Virginia, United States.Iridium operates the Iridium satellite constellation, a system of 80 satellites: 66 are active satellites and the remaining fourteen function as in-orbit spares. [2]