The 55UA6406 supports a newer WiFi standard than most TVs of a comparable age and type to it. This television supports an 802.11n wi-Fi standards, whereas most similar spec televisions that are a comparable age to it support an 802.11a wi-Fi standards. In addition, this Thomson TV support an 802.11b and 802.11g wi-Fi standards.
An 802.11n wi-Fi standards is actually the best supported WiFi standard across all 4K and 8K TVs that came out more than a year ago.
The worst supported WiFi standard across similar types of television is IEEE 802.11n.