The LC-55UB30 supports a newer WiFi standard than most televisions of this spec and age. This TV supports an 802.11n WiFi standard, whereas most comparable spec televisions that were released one year ago support an 802.11a WiFi standard. In addition, this Sharp TV support an 802.11b and 802.11g WiFi standard.
This TV's WiFi standard (802.11n) is actually the best supported WiFi standard amongst all televisions of this type and age.
An 802.11a WiFi standard is the worst supported WiFi standard amongst comparable types of TV.