There is a review of Fujitsu LifeBook T4210 Tablet PC at TabletPC2 which said:
Powered by the Intel® Core™ Duo Processor, along with the enhanced functionality of Microsoft Windows XP Tablet PC Edition 2005, the LifeBook T4210 Tablet PC combines the convenience and familiarity of a notebook with the powerful and versatile functionality of a slate Tablet PC. In conventional notebook mode, the LifeBook T4210 Tablet PC offers a keyboard for typing. Rotate and fold the screen down and the LifeBook T4210 Tablet PC transforms into a tablet configuration for pen-driven navigation through forms, or use the stylus to make handwritten notes and drawings with digital ink. The enhanced stylus of the LifeBook T4210 Tablet PC includes two buttons and a built-in eraser for added convenience. The stylus and active digitizer continue to work in the notebook configuration.
In addition, this Tablet PC is equipped with a 12.1-inch XGA display which offers greater than a 160 degree viewing angle both vertically and horizontally. It has up to 6.5 hours of battery life with the main battery or up to 11 hours with dual batteries. For the connectivity, the tablet PC is equipped with an integrated Ethernet LAN, modem, a Wi-Fi Certified wireless LAN (802.11a/b/g) or optional Atheros Super AG® wireless LAN. Via TabletPC2.