The HP ProBook 455 has a better Wi-Fi standard than most notebook PCs that have been on the market for a comparable time to it. This portable PC has an 802.11n WiFi standard, whereas most similar spec notebook PCs that are a comparable age to it have an 802.11b WiFi standard. This notebook PC also has an 802.11g WiFi standard.
This portable PC's Wi-Fi standard (802.11n) is actually the best Wi-Fi standard across all portable PCs that have been available for more than two years.
An 802.11a WiFi standard is the worst Wi-Fi standard across comparable types of portable PC.