The EliteBook 745 has a better Wi-Fi standard than most notebook PCs of this age and spec. This laptop has an 802.11n wi-Fi standards, whereas most portable PCs that have been around for a comparable time to it have an 802.11b wi-Fi standards. This HP portable PC also have an 802.11a and 802.11g wi-Fi standards.
This notebook PC's Wi-Fi standard (802.11n) is in fact the best Wi-Fi standard across all portable PCs that have been around for around the same time as the EliteBook 745.
The worst Wi-Fi standard across comparable types of notebook PC is 802.11a.