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New techniques: What is MHL and what is WiDi?

MHL and WiDi: This article will answer the questions regarding New techniques: What is MHL and what is WiDi?
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MHL and WiDi

Consumer electronics products are nowadays equipped with so many techniques and certificates that I can imagine that you can no longer see the forest for the trees. We already know different techniques for transferring data from one device to another via a cable, and wireless technologies are now also plentiful. A new technique will be added this year for both groups; MHL and WiDi.

What is MHL and WiDi

MHL (Mobile High-definition Link)

MHL (Mobile High-definition Link) is added to the group for communication between devices by cable. In contrast to previous new techniques that work with a cable, the MHL technique does not require a new connector or cable. MHL is a kind of protocol that works via a standard microUSB port on a mobile device and a standard HDMI connection. However, the devices you work with must both be equipped with MHL support. One device (a tablet or mobile phone) can be connected via the microUSB port to an external display (TV or monitor) via the HDMI connection. All you need is a microUSB-to-HDMI cable. Once connected, it is possible to display 1080p video material and 7.1-channel surround audio on your TV.

This is of course already useful, but MHL offers more advantages. For example, you can operate the connected device with the remote control of the TV, the connected device can be charged while content is being played, and it saves an extra (HDMI) connection on the mobile device to display video. The microUSB connection can also be used for normal USB functions such as charging or transferring files to a computer.

WiDi (Wireless Display)

WiDi is a technology developed by Intel that makes it possible to set up a small WiFi network between two WiDi certified devices. The condition is that both devices are equipped with a WiFi module and WiDi certification. No existing WiFi home network is required for the devices to communicate with each other and thus to play files. A connection is established purely between both devices, without the intervention of a router. You could compare it with Bluetooth.

View all wireless techniques in this article .

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