An Apple AirPort Time Capsule is a device that serves as both a dual band wireless router and an external hard drive. The product is created by the Apple Corporation.
The Airport Time Capsule is designed to back up data on Mac devices automatically and wirelessly. It works hand in hand with the Time Machine backup software from the Mac OS.
Originally released in 2008, the AirPort Time Capsule boasted a 500 GB hard drive and supported 802.11n wireless. As of 2015, the Airport Time Capsule is on its fifth generation, with support for 802.11ac wireless and a 3 TB external hard drive.