Network Connection
Connect the TV to the Internet using a standard router or modem. To connect wirelessly, you must first attach a “Samsung Wireless LAN Adapter” (WIS09ABGNX or WIS12ABGNX - sold separately) to either the USB port on your TV. See the illustration below.
TV Side Panel
Wireless IP Router or Modem
that has a DHCP Server 
The LAN Port on the Wall
Samsung Wireless
LAN Adapter (Not Supplied)
LAN Cable (Not Supplied)
Wireless Network Precautions
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Samsung’s Wireless LAN adapter supports the IEEE 802.11a/b/g and n communication protocols. Samsung recommends using IEEE 802.11n. When you play the video over a IEEE 802.11b/g connection, the video may not play smoothly.
To use a wireless network, the TV must be connected to a wireless router or modem. If the wireless router supports DHCP, the TV can use a DHCP or static IP address to connect to the wireless network.
Select a channel that is not currently in use for the wireless router. If the channel set for the wireless router is currently being used by another device, the result is usually interference and/ or a communications failure.
Most wireless networks have an optional security system. To enable a wireless network's security system, you need to create a security key using characters and numbers. This security key is then needed to connect to the wireless network.
Network Security Protocols
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The TV only supports the following wireless network security protocols and is unable to connect to
If the wireless router has been set to Pure
If the wireless router supports WPS
