Samsung PN51D490A1DXZA E-Manual page 86

Samsung's Wireless LAN adapter is sold separately and is offered by select
retailers, Ecommerce sites, and Samsungparts.com. Samsung's Wireless LAN
adapter supports the IEEE 802.11a/b/c and n communication protocols. Samsung
recommends using IEEE 802.11n. When you play video over a network connection,
the video may not be played smoothly.
NOTE
N
● You must use the "Samsung Wireless LAN adapter" (WIS09ABGN,
WIS09ABGN2, or WIS10ABGN) to use a wireless network.
◀
● To use a wireless network, your TV must be connected to a wireless IP sharer
(either a router or a modem). If the wireless IP sharer supports DHCP, your TV
can use a DHCP or static IP address to connect to the wireless network.
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