Unitech PA690. Display diagonal: 96.5 mm (3.8 "), Display resolution: 800 x 480 pixels, Display: LCD. Internal memory: 256 MB, Internal memory type: DDR, Flash memory: 512 MB. Processor clock speed: 806 MHz, Processor family: PXA 320, Processor manufacturer: Marvell. Operating system version: 6.5, Bundled software: Microsoft Visual Studio 2005/2008, Mobile SIP(VoIP). Wireless LAN type: 802.11a, 802.11b, 802.11g, 802.11n