(With the popularization of the Internet, the increasing demand for Internet access, the speed of dial-up Internet access is becoming more and more unbearable, and broadband Internet access has become the general trend! Nowadays, more and more enterprises and families have adopted the ADSL access method. However, due to the traditional wired network networking method, the integrated wiring has caused everyone to suffer, and the fixed terminals make it impossible to reach the office in an effective and timely manner. Therefore, wireless office and free Internet access have become things that many people are thinking about. The demand for wireless networks that can access the Internet everywhere without wiring is becoming more and more obvious, and wireless Internet access has become a reality with the introduction of wireless network specifications. However, how can ADSL and wireless network be connected to form a true wireless broadband network? As an enterprise or a family, how to make full use of existing resources to build a wireless network? A wired and wireless link would be the best solution.)