Mi router 4A gigabit version provides a gigabit WAN port and 2 gigabit LAN ports, can easily meet the 100M and above fiber boardband access needs. Compared with the router of 100M network port, it can make full use of each Megabyte bandwidth of the operator. New gigabit router with WiFi AC1200, through which it can transmit up to 1,167 Mbps. It has an error correction algorithm to have a more stable data transmission. It also has 4 high gain antennas.