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  2. Unified S-band - Wikipedia

    en.wikipedia.org/wiki/Unified_S-band

    The Unified S-band ( USB) system is a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL). It operated in the S band portion of the microwave spectrum, unifying voice communications, television, telemetry, command, tracking and ranging into a single system to save size and weight ...

  3. USB communications - Wikipedia

    en.wikipedia.org/wiki/USB_communications

    It is intended primarily to save cost in low-bandwidth human interface devices (HID) such as keyboards, mice, and joysticks. Full speed (FS) rate of 12 Mbit/s is the basic USB signaling rate defined by USB 1.0. All USB hubs can operate at this rate. High speed (HS) rate of 480 Mbit/s was introduced in 2001 by USB 2.0.

  4. Wireless USB - Wikipedia

    en.wikipedia.org/wiki/Wireless_USB

    The Certified Wireless USB logo. Wireless USB ( Universal Serial Bus) is a short-range, high-bandwidth wireless radio communication protocol created by the Wireless USB Promoter Group, which is intended to increase the availability of general. USB -based technologies. It is unrelated to Wi-Fi and different from the Cypress Wireless USB offerings.

  5. Miracast - Wikipedia

    en.wikipedia.org/wiki/Miracast

    Miracast. Miracast is a wireless communications standard created by the Wi-Fi Alliance which is designed to transmit video and sound from devices (such as laptops or smartphones) to display receivers (such as TVs, monitors, or projectors). It uses Wi-Fi Direct to create an ad hoc encrypted wireless connection [1] and can roughly be described as ...

  6. TV-band device - Wikipedia

    en.wikipedia.org/wiki/TV-band_device

    A Mode I TVBD is portable device that does not have an internal geolocation capability and access to a database of channels in use. Mode I devices must get a list of available channels from a Mode II or Fixed device; A Mode II TVBD is a portable device that does have internal geo-location capabilities and can access a database of channels in use.

  7. USB human interface device class - Wikipedia

    en.wikipedia.org/wiki/USB_human_interface_device...

    In computing, the USB human interface device class ( USB HID class) is a part of the USB specification for computer peripherals: it specifies a device class (a type of computer hardware) for human interface devices such as keyboards, mice, game controllers and alphanumeric display devices . The USB HID class is defined in a number of documents ...

  8. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations. Self-contained electronic covert listening devices came into common use with ...

  9. Wireless microphone - Wikipedia

    en.wikipedia.org/wiki/Wireless_microphone

    A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...

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