The Lenovo N20 Chromebook has a better Wi-Fi standard than most Chromebooks that came out more than two years ago. This laptop has an 802.11n WiFi standard, whereas most comparable spec laptops that are a similar age to it have an 802.11g WiFi standard. This notebook PC also have 802.11a and 802.11ac and 802.11b WiFi standards.
This laptop's Wi-Fi standard (802.11n) is actually the best Wi-Fi standard amongst all similar spec portable PCs that have been on the market for a comparable time to the N20 Chromebook.
An 802.11a WiFi standard is the worst Wi-Fi standard across similar types of laptop.