Although HDMI or Display Ports enable you to connect a device to an external screen, these connections still require a cable.
By using a wireless connection, we can make presentations more dynamic, and there is a choice of various different technologies available on the market.
AirPlay
Paolo Marenghi Business Manager Surface Hub
WIRELESS
TECHNOLOGIES: SHARE CONTENT WITHOUT CABLES FOR DYNAMIC MEETINGS WITH MULTIPLE DEVICES
This protocol was created by Apple for exchanging multimedia content between iPhones, iPads, iPods or Macs and an Apple TV or music equipment compatible with this protocol.
Apple uses AirPlay in various ways. It can be used in mirror mode, which duplicates the image on the sending device on the Apple TV, or streaming mode which is much more intelligent. For instance, you can reproduce a video from an iPhone so that it can be seen on the TV, and you can use the iPhone as a remote control.
This protocol functions very well but has one big drawback: it remains entirely within the Apple ecosystem and therefore it is not compatible with Windows.
AirPlay uses the Wi-Fi protocol. Miracast
This is the most widely used communication protocol in the industry for sending audio and video via a Wi-Fi network. Miracast enables the wireless distribution of videos from PCs, tablets, smartphones and other devices to receivers compatible with this protocol. It is compatible in a native format with Android from version 4.2 and Windows from version 8.1.
In theory, Miracast is a good option, but in practice, it has been shown not to work particularly well. Miracast is a standard but many certified emitters and receivers are not compatible which each other. In reality, what is called a standard appears to be anything but.
It is not obligatory to use the Miracast brand when a device is certified, and this has meant that many manufacturers use other names for the same technology (SmartShare, AllShare Cast, Screen Mirroring, Display Mirroring, etc.).
Widi
Intel Wireless Display is a piece of Intel technology launched at the end of 2012 for sending images and sound from a device with a 3rd Generation Core Intel processor to a screen wirelessly using the Wi-Fi protocol.
From version 3.5 it is compatible with the Miracast protocol, so it has now simply become a brand for this standard.
In this protocol, Intel Pro WiDi has just been presented, which allows this technology to be managed via an active directory. This provides the wireless protocol with additional security and centralised administration.
10< MEETING & COLLABORATION SOLUTIONS. THE MAVERICK GUIDE
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