American version - North America and Latin/south America . It may not be compatible for other continents . If you want to use for other parts of world like Europe , Asia , Middle East then check the bands before you buy it.
(4G) LTE FDD 700/850/1900/2600/AWS MHz
(3G) WCDMA 850/1900/AWS MHz
LTE FDD DL 100Mbps, UL 50Mbps
32 Wi-Fi devices can be connected. It has one Tel (RJ45) port and 3 Ethernet (WAN) ports
WLAN 802.2 11/b/g/n(300Mbps), WPS2.0