HHI's solution was a high-speed wireless network across the entire shipyard, which was built by KT corp,South korea' largest telecommunications firm. It is able to tranmit data at a rate of 4 megebits per second, about four times faster than the typical cable modem delivering high-speed Internet service to U.S. households. The company uses radio sensors to track the movement of parts as they move from fabrication shop to the side of a drydock and then onto a ship under contruction. Worker on the ship use notebook computers or handheld mobile phones to access plans engage in two-way video conversation with ship designers in the office, more than a mile away