Infrared
Infrared (IR) is a technology that enables wireless data transfer over short
distances between devices, such as computers and printers, without cables
or wires. As an optical technology, IR requires a clear line of sight between
the communicating devices, and unlike other wireless technologies it cannot
penetrate through walls. A common application of IR technology is in consumer
electronics remote controls. IR protocols are primarily used in consumer
electronics, computers, household appliances, medical devices, automotive
technologies, and commercial services.1 IR may make a comeback
with the development of a “multi-gigabit communication module” that can
transfer data 46 times faster than Wi-Fi and 1,430 times faster than Bluetooth.