We have seen the Asus R300 before and now we have more information about the GPS device. Asus R300 is powered by a Samsung 2440 400MHz processor, 64MB RAM and comes with the SiRFstarIII GPS chipset. It features also a 3.5-inch LCD touchscreen, Bluetooth 2.0, and microSD card slot. THe R300, same as the Mio DigiWalker C728, runs the Windows CE 5.0 OS.