The Lenovo G50-45 has a better Wi-Fi standard than most laptops of a comparable type and age to it. This Lenovo notebook PC has an 802.11n WiFi standard, whereas most laptops of a similar spec and age to it have an 802.11b WiFi standard. This notebook PC also has an 802.11g WiFi standard.
This laptop's Wi-Fi standard (802.11n) is actually the best Wi-Fi standard across all portable PCs that were launched around the same time as the G50-45.
The worst Wi-Fi standard across comparable types of laptop is 802.11a.