Intermec CS40. Display diagonal: 71.1 mm (2.8 "), Display resolution: 240 x 320 pixels, Display: LCD. Internal memory: 256 MB, Internal memory type: RAM, Internal ROM: 512 MB. Processor clock speed: 528 MHz, Processor family: ARM11. Mobile operating system installed: Windows Mobile, Operating system version: 6.5, Bundled software: Intermec SmartSystems Client. GSM bands supported: 850, 900, 1800, 1900 MHz, WCDMA bands supported: 850, 1700, 1900, 2100 MHz