The so-called Gigabit Wi-Fi, better known as 802.11ac, has yet to be officially ratified but that hasn't stopped Apple from implementing the technology on the refreshed MacBook Air lineup and the redesigned AirPort Extreme and Time Capsule base stations, which were both announced during the WWDC keynote earlier this month.
That said, it's fairly safe to assume that Apple will also roll out 802.11ac across the upcoming iPhone 5S, iPad 5, iPad mini 2 and a next-gen Mac Pro, Apple TV and MacBook. For what it's worth, Apple reportedly partnered with chip maker Broadcom to outfit all Macs with 802.11ac chips.
Apple is usually among the first companies - if not the first - to implement each new major revision to the Wi-Fi standard. And while this allows Apple's customers to live on the bleeding edge of technology, it also exposes early adopters to their fair share of teething issues...