News tagged with radio frequency signal

Wal-Mart to roll out smart tags on men's basics

(AP) -- Wal-Mart Stores Inc. is putting electronic identification tags on men's clothing like jeans starting Aug. 1 as the world's largest retailer tries to gain more control of its inventory. But the move is raising eyebrows ...

Jul 23, 2010 3.4 / 5 (5) 1

Breakthrough for post-4G communications

(PhysOrg.com) -- With much of the mobile world yet to migrate to 3G mobile communications, let alone 4G, European researchers are already working on a new technology able to deliver data wirelessly up to 12.5Gb/s.

Mar 05, 2009 3 / 5 (1) 0