Wi-Fi identifies any network based on the 802.11 standard that specifies how two wireless devices communicate over the air with each other
Bluetooth is a network protocol that defines how two Bluetooth devices use short-range radio waves to transmit data
UWB (ultra-wideband) is a network standard that specifies how two UWB devices use short-range radio waves to communicate at high speeds with each other
IrDA transmits data wirelessly via infrared (IR) light waves
RFID is a protocol that defines how a network uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person