Microsoft Surface - description and parameters
Microsoft Surface doesn't have a GSM transmitter, it cannot be used as a phone. Official announcement date is October 2012. The device is working on an Microsoft Windows RT with a Quad-core 1.3 GHz Cortex-A9 processor and 2 GB RAM memory. Microsoft Surface has 32/64 GB of internal memory. This device has a Nvidia Tegra 3 T30 chipset. The main screen size is 10.6 inches with 1366 x 768 pixels resolution. It has a 148 ppi pixel density. The screen covers about 65.6% of the device's body. The result is quite good.
This is not a GSM device, it will not work on any GSM network worldwide.