The WP-1X Wireless HDMI Transmitter/Receiver System with dual Canon LP-E6 type battery plates from Marshall Electronics features a range of up to 100′ line-of-sight with less than 1 millisecond of latency, and will broadcast resolutions up to 1080p60. The WP-1 features a camera-mountable transmitter which includes a shoe mount. There are also a 1/4″-20 socket so you can mount the transmitter or receiver with a separately available articulated arm or swivel shoe.
Both the transmitter and receiver can either be battery-powered or powered using AC. A single AC adapter comes with the system that can be used on either the transmitter or the receiver. There is also a PowerTap cable, available separately, if you want to power either component, or both, from an external 12VDC source, such as a professional video battery system.