We call Bluetooth the communications protocol specially designed for low-consumption devices , which require a short emission range and are based on low-cost transceivers. The devices that most use this technology that sought to replace the cable for communications between devices are PDAs, mobile phones, laptops, personal computers, printers or digital cameras.
But where does the word "bluetooth" come from? To know the origin of this term we must go back to 1994 when one of those responsible for the development of this wireless communication technology, Jim Kardach, proposed the name of one of the Viking kings, specifically that of Harald Blåtand, whose English translation is Harald Bluetooth .
This Viking king was known for unifying the Norwegian, Swedish-Danish tribes and converting them to Christianity. Due to the parallelism with the unification of the communication of digital systems, the name of Bluetooth sounded more than suitable. Since this Viking king was also passionate about blueberries, the Bluetooth technology logo would end up having a bluish color (like many blueberries) and the initials of the first and last name of the Viking king attached .





