The Lenovo U410 has a better Wi-Fi standard than most laptops that were released around the same time as it. This portable PC has an 802.11n wi-Fi standards, whereas most ultrabooks that were released more than two years ago have an 802.11g wi-Fi standards. In addition, this laptop has an 802.11b wi-Fi standards.
An 802.11n wi-Fi standards is in fact the best Wi-Fi standard across all ultrabooks that have been on the market for around the same time as the U410.
An 802.11a wi-Fi standards is the worst Wi-Fi standard across comparable types of notebook PC.