The first thing that I thought when I initially I heard about Bluetooth was, “What is that supposed to mean?"
Well, oddly enough, the technology is named after King Harald Bluetooth, who ruled Denmark in the 10th century. He is credited with uniting the warring tribes in Denmark and Norway. "Bluetooth" is an English translation of his name, which was "Blaatand." So, that does make a little more sense right?
- Enhanced Data Rate Bluetooth, or EDR, is the connectivity technology that is in speakers, headsets, and various other devices that you can sync (or "unite") with your phone or PC.
- Bluetooth Low Energy, or BLE, is the standard that connects us with iBeacons and more intelligent devices.
Bluetooth BLE operates at the 2.4 Ghz frequency range and is a global standard. Bluetooth is a packet-based communication with a master/slave relationship. A beacon will connect through your phone with a mobile application running in the background; the application then uses your phone's Internet connection to source data from a Cloud-based server, delivering any number of actions based on the presence of your phone and the beacon in the same area. Speakers and devices, like a Bluetooth mouse for your PC, connect locally without the Internet.
Bluetooth is relatively inexpensive when it comes to hardware, and for this reason, it is one of the core technologies we use today to connect the different devices we have and to reach out to retail customers. Although it does not always require an application running on your mobile phone, this is the most common way to connect. With ranges from 2 to 300 feet, there are a myriad of solutions that leverage this technology.