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WirelessHD

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Topic
Computer Science
Quality
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Introduced
2008
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77 in 14 days
Last edited
9 Nov 2026
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From Wikipedia, the free encyclopedia
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  1. WirelessHD

WirelessHD, also known as UltraGig,1 is a proprietary standard owned by Silicon Image (originally SiBeam) for Wireless transmission of high-definition video content for consumer electronics products. The consortium currently has over 40 adopters; key members behind the specification include Broadcom, Intel, LG, Panasonic, NEC, Samsung, SiBEAM, Sony, Philips and Toshiba. The founders intend the technology to be used for Consumer Electronic devices, PCs, and portable devices.

The specification was finalized in January 2008.2

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Where WirelessHD leads. Every connection below has a source: a link in this article, a shared Wikipedia category, or CirrusSearch text similarity. Articles already on your trail are left out.

Contents
  • (Top)
  • Technology
  • Competition
  • See also
  • References
  • External links
  • Recent changes
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Contents
Contents7 sections
  • (Top)
  • Technology
  • Competition
  • See also
  • References
  • External links
  • Recent changes
  • Rabbit hole

Technology

The WirelessHD specification is based on a 7 GHz channel in the 60 GHz Extremely High Frequency radio band. It allows either lightly compressed (proprietary wireless link-aware codec) or uncompressed digital transmission of high-definition video and audio and data signals, essentially making it equivalent of a wireless HDMI. First-generation implementation achieves data rates from 4 Gbit/s, but the core technology allows theoretical data rates as high as 25 Gbit/s (compared to 10.2 Gbit/s for HDMI 1.3 and 21.6 Gbit/s for DisplayPort 1.2), permitting WirelessHD to scale to higher resolutions, color depth, and range. The 1.1 version of the specification increases the maximum data rate to 28 Gbit/s, supports common 3D formats, 4K resolution, WPAN data, low-power mode for portable devices, and HDCP 2.0 content protection.

The 60 GHz band usually requires line of sight between transmitter and receiver, and the WirelessHD specification ameliorates this limitation through the use of beam forming at the receiver and transmitter antennas to increase the signal's effective radiated power, find the best path, and utilise wall reflections.3 The goal range for the first products will be in-room, point-to-point, non line-of-sight (NLOS) at up to 10 meters. The atmospheric absorption of 60 GHz energy by oxygen molecules limits undesired propagation over long distances and helps control intersystem interference and long distance reception, which is a concern to video copyright owners.4

The WirelessHD specification has provisions for content encryption via Digital Transmission Content Protection (DTCP) as well as provisions for network management. A standard remote control allows users to control the WirelessHD devices and choose which device will act as the source for the display.

Competition

WirelessHD competes with WiGig in some applications. WiGig transmits in the same 60 GHz band used by WirelessHD.

See also

  • Extremely high frequency
  • IEEE 802.15
  • UWB
  • Wireless HDMI:
    • Intel Wireless Display (WiDi) version 3.5 to 6.0 supports Miracast; discontinued
    • Miracast
    • WiGig
    • Wireless Home Digital Interface
  • Wi-Fi Direct

ip based:

  • Chromecast (proprietary media broadcast over ip: Google Cast for audio or audiovisual playback)
  • AirPlay (proprietary ip based)
  • Digital Living Network Alliance (DLNA) (ip based)

port / cable standards for mobile equipment:

  • Mobile High-Definition Link - MHL
  • SlimPort (Mobility DisplayPort), also known as MyDP

References

  1. 1"EETimes: UltraGig: Proprietary blunder or 60GHz future". Archived from the original on 2015-02-23. Retrieved 2015-02-23.
  2. 2"About - WirelessHD". www.wirelesshd.org.
  3. 3"Fastest Wi-Fi ever is almost ready for real-world use". Ars Technica. 2013-01-13.
  4. 4"CES to Showcase Wireless HDTVs". nytimes.com. Retrieved 2008-01-03.

External links

  • Official website
  • Civil mm-wave Regulation in US
  • The Main Wireless HDMI Transmission Protocols and Their Typical Products Archived 2017-12-14 at the Wayback Machine
Study aids for WirelessHD

Terminology

UltraGig
WirelessHD, also known as UltraGig, is a proprietary standard owned by Silicon Image (originally SiBeam) for Wireless transmission of high-definition video content for consumer electronics products.

Terms the article defines in bold, quoted in context.

Categories:
  • Networking standards
  • Telecommunications-related introductions in 2008
  • Wireless display technologies

359 words · 4 references · revision 1384607574 · CC BY-SA 4.0

General
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This article
Reading time
2 min
Topic
Computer Science
Quality
Start-class
Introduced
2008
Views
77 in 14 days
Last edited
9 Nov 2026

Key concepts

  • Silicon Image1
  • SiBeam1
  • Wireless communication1
  • High-definition video1
  • Consumer electronics1
  • Broadcom1
  • Intel1
  • LG1
  • Panasonic1
  • NEC1

The articles this one links to most, weighted towards the introduction.

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Created
2 Nov 2006
History
224 edits
156 contributors
1 edit in the last 30 days
Last edited
9 Nov 2026

224 revisions in total · 156 contributors · 0 / −2 bytes across 1 edits by 1 contributor in the last 30 days

  1. 9 Nov 2026, 02:52 UTCGreenC botMove 2 urls. Wayback Medic 2.5 per WP:URLREQ#arstechnica.com PassA−2diff
  2. 3 Oct 2026, 22:24 UTCJeffrey34555mRM: Changed link from Wireless to Wireless communication using Move++23diff
  3. 10 May 2026, 19:25 UTCNjd-deReverting edit(s) by Blueyfanoriginal (talk) to rev. 1327982800 by InternetArchiveBot: Vandalism (UV 0.1.6)0diff
  4. 10 May 2026, 19:18 UTCBlueyfanoriginalreverteduptight asshole0diff
  5. 17 Dec 2025, 05:36 UTCInternetArchiveBotRescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.5+154diff
  6. 9 Jan 2022, 20:56 UTCAnonymous contributorgroups titles+53diff
  7. 9 Jan 2022, 20:42 UTCAnonymous contributorWireless HDMI+25diff
  8. 9 Jan 2022, 19:55 UTCAnonymous contributorWiDi Wireless Display−11diff

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Created
2 Nov 2006
History
224 edits
156 contributors
1 edit in the last 30 days
Last edited
9 Nov 2026

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