- Infrared or Radio waves/frequencies to transmit signals.
- It requires an adapter to connect to the device. (wireless headset)
BLUETOOTH
- Radio waves/frequencies to transmit signals.
- Bluetooth comes built-in within the device by default.
- To connect to multiple devices. Example: bluetooth speakers, mouse, keyboard from laptop.
Transmission
& Usage
Special notes:
Bluetooth Special Interest Group (SIG)
- Ericsson, IBM, Intel, Nokia and Toshiba.
Bandwidth -
11,000 Kbps (kilobit per second) for 2.4 Ghz
Wi Frequency- 2.4GHz , 5GHz
**Cheaper to use 2.4Ghz
**Range Better
Comparison
Bluetooth technology was invented in 1994 by electrical engineer Dr. Jaap Haartsen while he was working for Ericsson.
The first consumer Bluetooth device was launched in 1999. It was a hands-free mobile headset which earned the "Best of show Technology Award" at COMDEX --> Ericsson T36.
Bluetooth History
Denmark vs Norway FIGHT!!
Version?
Profiles?
Codec?
Bluetooth
Types
Q&A
1)My laptop is running Bluetooth 5.0 version, can I use Cloud Mix(4.2 ver)?
2) Why my wireless headset audio gets interferences easily?
3) Is HyperX wireless earphones/earbuds - True wireless?
No. True wireless earphones have no cords or wires between them.