routers

Private MAC Addresses Explained: Why Your Phone Fails to Join Wi-Fi

by
Private MAC Addresses Explained: Why Your Phone Fails to Join Wi-Fi

A phone no longer shows its factory hardware ID to every Wi-Fi network. iPhones have used a private MAC address per network by default since iOS 14, Android since Android 10, and Windows offers it as an option. The address is invented per network, so tracking a device across locations is harder. It also clashes … Read more

Standby Power: What Idle Devices Really Cost and What to Unplug

by
Standby Power: What Idle Devices Really Cost and What to Unplug

A new appliance sold in the EU cannot draw more than 0.5 watts in basic standby mode—or 0.8 watts if it shows information like a clock. At current Spanish electricity prices, that half-watt running all year costs about €1.10. The red light on a modern TV is no longer the problem. The real culprits are … Read more