Samsung Electronics has unveiled the world's first digital device that supports the wireless broadband WiBro as well as voice and video telephone calls to solidify its lead in the WiBro market.

President Lee Ki-tae unveiled the cutting-edge device at a Tuesday event in Seoul attended by experts from around the world.

With the edge in WiBro technology, Samsung is expected to spur its overseas growth.

An advanced form of the personal digital assistant, the new gadget enables both wireless Internet and voice calls.

Samsung has set the global standard for WiBro, the next generation communications technology that allows ultra high-speed Internet access on the go.