Today Apple released an AirPort Extreme Update for those Mac users running Mac OS X Tiger (version 10.4). Here's the information that Software Update gives us: This update is recommended for all Intel-based Macintosh computers running Tiger OS and improves the reliability of AirPort connections.
You can get this update by either opening Software Update (Apple menu > Software Update) or by downloading the installer package
from the Apple Support downloads site.
see all specs →
802.11 a, ac, b, g, n
6.6 x 3.85 x 3.85 in
OS X Yosemite