ASUS P535. Display diagonal: 71.1 mm (2.8 "), Display resolution: 240 x 320 pixels, Display: TFT. Internal memory: 64 MB, Internal memory type: RAM, Flash memory: 256 MB. Processor clock speed: 520 MHz, Processor family: Intel XScale. GPS receiver: SiRF Star III. Networking features: GSM, Operating frequency: 900/1800/1900 MHz