Specs: 7.9″ 1024 x 768 IPS screen; MediaTek MT8389 quad-core CPU; 1GB RAM; 16GBs storage; HDMI output, support for Bluetooth, gyroscope, accelerometer, electronic compass, WCDMA + EDGE, FM radio, GPS navigation; 2MP front, 5MP rear cameras; 4000mAh battery.
Dealing with 3G/4G radio frequencies isn’t my thing. It’s too difficult for me to match them with carriers (American, European, etc). You’re on your own with this one.
The post is here [Google English]. Note that this is a preview with a production unit and no benchmarks have been run. There’s a demo video, but I didn’t watch it.