Samsung UN40D5550RF E-Manual page 75

Samsung's Wireless LAN adapter is sold separately and is offered by selected
retailers, Ecommerce sites, and Samsungparts.com. 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 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.
▶
● The Samsung Wireless LAN adapter and the USB extension Cable are
sold separately and are offered by select retailers, Ecommerce sites and
Samsungparts.com.
English
▶