The LC-70UE30 supports a newer WiFi standard than most TVs of this spec and age. This television supports an 802.11n WiFi standard, whereas most comparable spec TVs that were released one year ago support an 802.11a WiFi standard. This TV also support 802.11ac and 802.11b and 802.11g WiFi standards.
An 802.11n WiFi standard is in fact the best supported WiFi standard amongst all 4K and 8K TVs that are a comparable age to the LC-70UE30.
An 802.11a WiFi standard is the worst supported WiFi standard amongst similar types of television.