Microsoft has made wireless adapters for connecting PCs and other devices to monitors for years. Many of the devices use a technology called Miracast that allows you to project your PC, tablet, or ...

If there was any drawback to Microsoft’s first-generation Wireless Display Adapter, it’s that the lag between your phone and tablet and what was displayed on the screen was a bit disconcerting.

Most wireless technology is fast enough these days to deliver not just one, but several high-definition video streams. But the Miracast technology Microsoft included in devices that connect your phone ...