WIFI
A radio frequency-based data link layer network protocol used in computer networks.
Bluetooth
A wireless Personal Area Network technology for a relatively low-speed data communication over short distances.
IrDA
Infrared Data Association is the governing body
Wireless USB
Wireless USB is a wireless protocol designed for wireless connectivity of various computer peripherals such as printer, digital camera, hard disk….
NFC
Near Field Communication is an extremely short-range network technology used by mobile phones for payment and other applications.