The Psion Series 5 is a personal digital assistant (PDA) from Psion. It was available in two main variants, the Series 5 (launched in 1997) and the Series 5mx (1999), the latter having a faster processor, clearer liquid crystal display (LCD), and updated software.
The Psion Series 5 is a personal digital assistant (PDA) from Psion. It was available in two main variants, the Series 5 (launched in 1997) and the Series 5mx (1999), the latter having a faster processor, clearer liquid crystal display (LCD), and updated software.
Source: Wikipedia "Psion Series 5" · CC BY-SA 4.0
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