The Xiaomi Mi Pad 7.9 is powered by a Quad-core 2.2 GHz Cortex-A15 CPU processor with 2 GB RAM. The device also has 16/64 GB internal storage + microSD (up to 128 GB) and a 7.9-inch IPS LCD capacitive touchscreen (1536 x 2048 , 324 ppi) display. It has a 8MP rear camera and supports Wifi and GPS. It packs in a Li-Po 6700 mAh battery at 8.5mm device thickness and weight 360g, running on Android OS.
This is not a GSM device, it will not work on any GSM network worldwide.