TL-WR743ND 150Mbps Wireless AP/Client Router
 
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  INTERNET: This INTERNET port is where you will connect the DSL/cable Modem, or 
Ethernet. 
  WPS: If you have client devices, such as wireless adapters, that support Wi-Fi Protected 
Setup, then you can press this button to quickly establish a connection between the Router 
and client devices and automatically configure wireless security for your wireless network.   
  Wireless antenna: To receive and transmit the wireless data.