AT&T said it has initiated discussions with technology suppliers to start testing and building commercial equipment for Project AirGig, its concept to distribute high speed data by propagating millimeter wave signals along the surface of power lines. AT&T is also planning another field trial.

AT&T said it has initiated discussions with technology suppliers to start testing and building commercial equipment for Project AirGig, its concept to distribute high speed data by propagating millimeter wave signals along the surface of power lines. AT&T is also planning another field trial.