As reported on Engadget.
By Mark Hearn
Earlier today, Apple released a WiFi update for late 2012 Mac systems. The new software improves compatibility for devices on the 5GHz band and requires that your machine be running OS X 10.8.2. Qualified users looking to expand their system’s connectivity can snag the 1.49MB update through the Apple Menu’s Software Update tab, or by visiting the source link below.