![]() ![]() Bluetooth devices are classified into four classes according to their capability: ![]() Secondly, a CPU is responsible for processing the digital signals. The first is a radio device that is responsible for transmitting the signal. Initially operating at distances of less than one meter, they can now exceed 100 meters.īluetooth devices have two fundamental parts for their operation. The connection range is another aspect that has improved considerably. After several generations, the different types of current bluetooth have speeds of up to 24Mbs. Transmission speed and connectivity rangeĪt the birth of Bluetooth technology, it could transmit data at a speed of 720 kbs, an amazing capacity for the time but which today seems derisory. Nowadays, its use is widespread and we can find it in many electrical devices, such as televisions, Bluetooth speakers or headphones, GPS navigators, etc., and it's even present in the most modern household appliances. In the beginning this technology worked mainly on cell phones, as it provides a good option for transferring files for free. This partnership brought together several leading companies in the technology and telecommunications industries, such as Nokia, Intel, Ericsson, Toshiba and IBM, which were later joined by Microsoft and Motorola, among others. Later, in 1999, a special group was created to make advances in Bluetooth technology: the Special Interest Group (SIG). It's named after Harald Blatand, a Norse king known for his ease of communication, and whose English translation would be Harold Bluetooth. Its origins date back to 1994, when the Ericsson company began researching a new method for sending files over telephones, looking for a way to keep cost and power consumption low. Transmission speed and connectivity range. ![]()
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