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A Motorola LX2 pager
A Motorola LX2 pager
Four historical Japanese pagers
Four historical Japanese pagers
An NEC pager branded by Deutsche Telekom for the Skyper pager service
An NEC pager branded by Deutsche Telekom for the Skyper pager service
Original Motorola "Pageboy II" pager, used in New York in the late 1970s.
Original Motorola "Pageboy II" pager, used in New York in the late 1970s.
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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.