Starr Labs creates some amazing MIDI guitars and controllers along with wireless technology that quickly turns any MIDI controller into a cordless communicator!
This is the Clipper DX which can control Ableton Live sessions, images, light animations, and almost anything imaginable that you want to program it to do!
And this, is the iTar. It uses the same button-based guitar fretboard but docks an iPad for amazing capabilities! Find out more here.
And THIS, is the AirPower2 Wireless MIDI!