11AC, full name of 802.11AC, is the next generation of wireless WiFi standard after 802.11n. Wireless WiFi standard, simply speaking, is a standard that all products connected to the wireless network must comply with. It has gone through many generations. 802.11AC standard is the most advanced and fastest generation in use.
The so-called 11AC router is a router that supports the 802.11AC protocol，Dual-band means the 11ac router supports WiFi signals in the 5GHz and 2.4GHz bands.
A Router is a device that connects local area networks (Lans) and wide area networks (Wans) on the Internet. It automatically selects and sets routes according to channel conditions, and sends signals in the best path in sequence. At present, it has been widely used in all walks of life, and various products of different grades have become the main force to realize the internal connection of various backbone networks, interconnection between backbone networks and interconnection between backbone networks and the Internet.