Just the other day, Sprint announced they will be adding the Motorola ES400 to their lineup. Today, AT&T made a similar announcement.

The Motorola ES400 will be added to AT&T's rugged device lineup. Michael Antieri, President of Advanced Enterprise Mobility Solutions for AT&T stated, "The Motorola ES400 extends our leading portfolio of mobility devices and is an example of our commitment to helping organizations of all sizes – large and small – mobilize their business for maximum efficiency and profitability."

The Motorola ES400 uses Microsoft's new embedded OS that is built on Windows Mobile 6.5.3. It is powered by a 600mhx ARM 11 processor, has 256mb RAM and 1GB of flash memory, a 3" 640x480 touch screen, GPS/Wifi/Bluetooth and a 3.2 megapixel camera. It is a "rugged" device designed to withstand dust, shock, vibration, rain, humidity, solar radiation, altitude and temperature extremes.

No pricing and availability information was available and you can find the full press release over at AT&T.