The HP EliteBook 725 G2 has an 802.11n WiFi standard which is better than most portable PCs that have been available for around the same time as it. Most similar spec laptops that have been available for a comparable time to it have an 802.11b WiFi standard. In addition, this notebook PC have an 802.11a and 802.11g WiFi standard.
An 802.11n WiFi standard is in fact the best Wi-Fi standard amongst all portable PCs of this spec and age.
The worst Wi-Fi standard across similar types of notebook PC is 802.11a.