The phone runs on 2G and 3G networks, and includes email and internet browsing with Windows Mobile 6.1 Professional. Navigation is made easy with a widget-based user interface on its 3.8" 480x640 touchscreen, and also features handwriting recognition. Other built in features include a 3.2 MP camera with flash and video, MP3 player, GPS and various PDA programs, such as Pocket Office. The Acer DX900 is powered by a 533 MHz Samsung S3C 6400 mobile processor with 128MB of RAM, 256 MB of ROM and includes microSD (transflash) memory.