The MacBook Pro Late 2013 Retina has a better Wi-Fi standard than most MacBooks that have been on the market for more than two years. This Apple notebook PC has an 802.11a WiFi standard, whereas most portable PCs that have been on the market for a similar time to it have an 802.11n WiFi standard. In addition, this portable PC have 802.11ac and 802.11b and 802.11g WiFi standards.
An 802.11a WiFi standard is actually the worst Wi-Fi standard amongst all portable PCs of a comparable type and age to the MacBook Pro Late 2013 Retina.
An 802.11n WiFi standard is the best Wi-Fi standard amongst similar types of portable PC.