Common Short-Distance and Wireless Technologies

 

Technology	Main Function	Example
Bluetooth	Connects devices over a short distance	Wireless headphones connected to a smartphone
Wi-Fi	Connects devices to a local network or the Internet wirelessly	Laptop connected to a home router
NFC	Enables very short-range communication	Contactless payment using a smartphone
RFID	Uses radio signals to identify and track objects	Toll payment tag or inventory tracking
UWB	Supports short-range communication with precise location capabilities	Tracking nearby devices
IrDA	Uses infrared signals and usually requires a direct path	Traditional television remote control
LTE	Supports mobile data communication through cellular networks	Smartphone Internet access