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A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol
A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol
Ericsson Bluetooth module PBA 313 01/2S R2A, manufactured in week 22 of 2001
Ericsson Bluetooth module PBA 313 01/2S R2A, manufactured in week 22 of 2001
A typical Bluetooth mobile phone headset from the early 2000's
A typical Bluetooth mobile phone headset from the early 2000's
A handheld, waterproof JBL Bluetooth speaker with a rechargeable battery, made in the late 2010s
A handheld, waterproof JBL Bluetooth speaker with a rechargeable battery, made in the late 2010s
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A handheld on-board communication station of the maritime mobile service
A handheld on-board communication station of the maritime mobile service
Bell and Tainter's photophone, of 1880.
Bell and Tainter's photophone, of 1880.
Marconi transmitting the first radio signal across the Atlantic.
Marconi transmitting the first radio signal across the Atlantic.
Power MOSFETs, which are used in RF power amplifiers to boost radio frequency (RF) signals in long-distance wireless networks.
Power MOSFETs, which are used in RF power amplifiers to boost radio frequency (RF) signals in long-distance wireless networks.