Bluetooth is a short-range wireless communication technology that allows devices to exchange data without the need for cables or an internet connection. Operating on the 2.4 GHz radio frequency band, it enables seamless connectivity between smartphones, headphones, keyboards, medical devices, and countless other gadgets.
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Infrared Data Transmission: Sending Light You Can’t See
Infrared (IR) data transmission is one of the oldest and most elegant wireless communication technologies — invisible to the human eye, yet quietly powering everything from TV remotes to industrial sensors. While it may seem overshadowed by Wi-Fi and Bluetooth today, infrared remains a remarkably capable and reliable technology with a broad range of applications.
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