The DELL Chromebook 11 has an 802.11n WiFi standard which is better than most similar spec portable PCs that have been on the market for more than a year. Most notebook PCs of this age and spec have an 802.11g WiFi standard. This notebook PC also have an 802.11a and 802.11b WiFi standard.
This notebook PC's Wi-Fi standard (802.11n) is in fact the best Wi-Fi standard amongst all laptops of this type and age.
The worst Wi-Fi standard amongst comparable types of notebook PC is 802.11a.