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Wireless Home Digital Interface (WHDI) is a consumer electronic specification for a wireless HDTV connectivity throughout the home. WHDI enables delivery of uncompressed high-definition digital video over a wireless radio channel connecting any video source ( computers , mobile phones , Blu-ray players etc.) to any compatible display device .
Wireless HDMI is the wireless transmission of high-definition audio and video signals between devices, using unlicensed radio frequencies like 5 GHz, 60 GHz, or 190 GHz. This technology eliminates the need for an HDMI cable , allowing users to transmit signals wirelessly between the component device and the display device.
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 Microsoft Wireless Display Adapter, a Miracast HDMI dongle. Samsung televisions support Miracast [51] where it is named Smart View (including all models made since 2016 [52]). Miracast is also supported on LG smart TV models, some Toshiba TVs, [53] Sharp, Philips (Wireless Screencasting), [54] and Panasonic televisions and Blu-ray players.
Mobile High-Definition Link (MHL) is an industry standard for a mobile audio/video interface that allows the connection of smartphones, tablets, and other portable consumer electronics devices to high-definition televisions (HDTVs), audio receivers, and projectors.
Most video sender systems will consist of three separate components, a transmitter, a receiver and a remote control relay (also known as a magic eye or IR blaster). The transmitter is responsible for transmitting or broadcasting a connected audio-video device, while the receiver outputs that transmitted audio-video signal to a connected television.