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  2. Frequency allocation - Wikipedia

    en.wikipedia.org/wiki/Frequency_allocation

    US frequency allocations chart, 2016. Frequency allocation (or spectrum allocation) is the part of spectrum management dealing with the designation and regulation of the electromagnetic spectrum into frequency bands, normally done by governments in most countries. [1]

  3. Serial digital interface - Wikipedia

    en.wikipedia.org/wiki/Serial_digital_interface

    The various serial digital interface standards all use (one or more) coaxial cables with BNC connectors, with a nominal impedance of 75 ohms. This is the same type of cable used in analog composite video setups, which potentially makes for easier "drop in" equipment upgrades (though may be necessary for long runs at the higher bitrates for older oxidising or lower grade of cable to replaced ...

  4. List of video connectors - Wikipedia

    en.wikipedia.org/wiki/List_of_video_connectors

    Serial digital interface (SDI) and HD-SDI. CoaXPress; 75 Ω for video signal (SDI and CoaXPress) on, for example, RG59 and RG6. 50 Ω for data link, like Ethernet on RG58. 93 Ω on RG62. 50 Ω (white/bottom row) and 75 Ω C connectors (red/top row) C connector (Concelman connector) General Radio 874 connectors GR connector (General Radio connector)

  5. File:United States Frequency Allocations Chart 2016 - The ...

    en.wikipedia.org/wiki/File:United_States...

    Information in this chart supersedes that in File:United States Frequency Allocations Chart 2011 - The Radio Spectrum.pdf. Archived at archive.org on 2016-10-30. Licensing

  6. SDI Technologies - Wikipedia

    en.wikipedia.org/wiki/SDI_Technologies

    SDI Technologies is an American Rahway, New Jersey–based [1] consumer electronics manufacturer whose products are marketed under several national brands, including Timex, eKids, KIDdesigns, and iHome. SDI used to market under Soundesign, a now-defunct brand. SDI Technologies had 110 employees as of 2007, and has a distribution network that ...

  7. Best hearing aids for seniors in 2025, according to experts ...

    www.aol.com/lifestyle/hearing-aids-for-seniors...

    The Oticon Real is designed to support the way your brain naturally interprets sound. It has an on-board Deep Neural Network (DNN) – a form of machine learning – that was trained using 12 ...

  8. Real-time locating system - Wikipedia

    en.wikipedia.org/wiki/Real-time_locating_system

    ISO/IEC 24730-61:2013 Information technology — Real time locating systems (RTLS) — Part 61: Low rate pulse repetition frequency Ultra Wide Band (UWB) air interface; ISO/IEC 24730-62:2013 Information technology — Real time locating systems (RTLS) — Part 62: High rate pulse repetition frequency Ultra Wide Band (UWB) air interface

  9. File:United States Frequency Allocations Chart 2011 - The ...

    en.wikipedia.org/wiki/File:United_States...

    Note: Information in the chart has been superseded by the information in File:United States Frequency Allocations Chart 2016 - The Radio Spectrum.pdf, which was downloaded from the US Department of Commerce web site and archived at archive.org.