The Toughbook 53 has an 802.11n WiFi standard which is better than most laptops of a similar type and age to it. Most laptops that were released around the same time as it have an 802.11b WiFi standard. This Panasonic laptop also have an 802.11a and 802.11g WiFi standard.
This notebook PC's Wi-Fi standard (802.11n) is actually the best Wi-Fi standard across all notebook PCs of this type and age.
Across similar types of notebook PC the worst Wi-Fi standard is 802.11a.