The 7490 is old but still does a job. You should only pay attention to the price when buying used.
KRACK: Make WLAN more secure for smart home devices
Make your WLAN a bit safer if you have old devices in it.
MacBook WLAN Mesh slow: problem connecting to the best access point
MacBook problems with WLAN-Netzwerk-Roaming 802.11k, 802.11r and 802.11v.
HomeKit camera: save energy and extend runtime
The runtime of a battery-powered HomeKit camera can be optimized somewhat.
HomeKit camera ignores activity zone in Secure Video
A HomeKit camera ignoring activity zones can be forced to at least ignore certain movements.
Flame: Bonjour ZeroConf network services overview
Check which services are advertised in your network.
How to create HomeKit From-To Automation on iOS?
A HomeKit automation for a period of time must be created twice.
Find AirTags with Android: Tracker Detect helps searching
Now you can scan for AirTags with an Android device.
Apple Configurator for iOS 15 available
Setting up new Macs in the enterprise made easy.
Mx Power Gadget shows processor load for M1 Macs
See what your processor does.
Graphical interface for speedtest in macOS Monterey
Graphical user interface instead of command line.
Picture-in-picture: stopwatch and speech time in foreground with Hovertimer
A clock for the current talk time can be very handy.