Asus Vivo Tab RT - TF600T-1B071R - 10.1" 16:9 (+IPS) / Nvidia® Tegra™ 3 / 2GB D3 / 32GB EMMC / Windows RT : RM1975/-

Does this comes together with the keyboard dock? I check online that it has an optional 3G and 4G LTE, do you have it?

http://eee.asus.com/en/vivotab-rt/specification/

WLAN 802.11 b/g/n
Bluetooth 4.0 Wi-Fi Direct
Optional:
3G DC-HSPA+
4G LTE