Orange County

Wireless Communications: An Irvine-based company is scheduled to announced today that it is teaming up with a unit of AT&T; to develop devices about the size of a credit card that will allow laptop computers to communicate with other computers using radio waves. New Media Corp. says it will exchange programs and documents with a division of AT&T;’s Global Information Solutions based in Utrecht, the Netherlands, to develop the devices. They are meant to be plugged into slots found at the back of most laptop computers. New Media officials said they expect to ship the products by mid-October.