It is a combination of the runic letters H and B. Bluetooth uses the 2.4 gigahertz frequency to communicate with other devices. This frequency and a few others are referred to as the ISM band ...

BT 1.2 (Basic Data Rate) was the first widely used Bluetooth technology. Adaptive frequency hopping (AFH) helped avoid interference with Wi-Fi and other technologies in the same frequency.

As such, Bluetooth allows drivers and passengers to connect—or unify—their smartphones and tablets with their vehicle's head ...

These operate in the same unlicensed 2.4 GHz ISM (Industrial, Scientific and Medical) radio band as does Bluetooth. To improve performance in these environments, a technique known as Adaptive ...