The LC-80LE857 supports an 802.11n WiFi standard which is newer than most comparable spec TVs that are a similar age to it. Most ultra large TVs that have been on the market for around the same time as it support an 802.11a WiFi standard. This LED screen also support an 802.11b and 802.11g WiFi standard.
This LED display's WiFi standard (802.11n) is actually the best supported WiFi standard amongst all comparable spec LED televisions that were released around the same time as the LC-80LE857.
The worst supported WiFi standard across similar types of LED display is 802.11a.