How Does Your Key Fob Work? The key fob uses wireless technology with a frequency of 433 MHz. There are receivers/transmitters on the vehicle and the key, so they can communicate with each other. This ...

Wallet. Cell phone. Car keys. That’s the mental checklist many of us go through before we leave the house. But don’t you hate it when you approach your car, click the unlock button and nothing happens ...

Apple AirTags are nifty little devices that help you track or find items like luggage, keys, backpacks and more. The small, circular devices use Bluetooth and work with iPhones on the Find My network.

It’s easy to forget, but your AirTag can actually run out of juice, so knowing how to replace your AirTag battery is key. Apple’s trackers are designed to last more than a year on a fresh battery, but ...

When you disconnect your computer’s power supply from the wall, it jumps in to save your BIOS or UEFI settings in your motherboard’s CMOS-RAM (Complementary Metal-Oxide-Semiconductor). But even the ...