ASUS MyPal A639, DE. Display diagonal: 88.9 mm (3.5 "), Display resolution: 240 x 320 pixels, Display: TFT. Internal memory: 64 MB, Internal memory type: RAM, ROM, Flash memory: 1024 MB. Processor clock speed: 416 MHz, Processor family: Intel XScale. GPS receiver: SiRF III. Wireless technology: IEEE 802.11b/g