The long duration of coverage to meet the needs of Internet access in a small area. The frequency of the two is divided 5G Wi-Fi, and a great army, to their rarity, 2.4G, and distances between the spaces of the lines of the frequency of the communication of the high-5G 2.4G Wi-Fi wireless transmission standards can currently more than 300 meters. The distance between the radio communication signal at about 100 meters, which is equivalent to a wireless signal provided by wireless transmission device building standards can be covered.