The Acer Chromebook 11 has an 802.11n WiFi standard which is better than most laptops of this type and age. Most Chromebooks that have been available for a similar time to it have an 802.11g WiFi standard. This portable PC also have 802.11a and 802.11ac and 802.11b WiFi standards.
This portable PC's Wi-Fi standard (802.11n) is actually the best Wi-Fi standard amongst all Chromebooks that have been available for more than a year.
An 802.11a WiFi standard is the worst Wi-Fi standard across similar types of portable PC.