Wireless

Added on April 20, 2020 - Category:

Wireless is a term for devices that do not need to be connected to an electrical or data network for their functionalities to be present.

Wireless technologies and devices

Despite the association with the most modern advances and technologies, this is not a new concept. We can go as far as 1880, when Bell and Tainter invented the Photophon

The photophone is a telecommunications device that allows transmission of speech on a beam of light. It was invented jointly by Alexander Graham Bell and his assistant Charles Sumner Tainter on February 19, 1880, at Bell’s laboratory at 1325 L Street in Washington, D.C.Both were later to become full associates in the Volta Laboratory Association, created and financed by Bell.

Photophone, Wikipedia
photophone, the first wireless device
Alexander Graham Bell and Charles Tainter invented the Photophon, probably the first wireless device

The Photophone was so advanced it marked the beginning of fiber-optics communication.

Some of the most common wireless technologies and associated devices are Bluetooth, WiFi, Cellular (3G, 4G and 5G), LPWAN, RFID, etc.

These technologies allow devices to communicate with each other through specific protocols without the need for a physical connection, like cables, connectors or plugs.

This allows for greater freedom and better user experiences since the user is not limited to a certain place, but it can roam freely without other boundaries than signal reach.

Wireless technology powers home devices, mobile phones, IoT (Internet of Things), games, smart homes and a broad range of different devices. Therefore, we can consider this concept as one of the main advances in human’s technology evolution.

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