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Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).
It had applications, or at least a way to deliver more features by plugging a PCMCIA 1.8 MB memory card into the phone. [47] Coinciding with the introduction of 2G systems was a trend away from the larger "brick" phones toward tiny 100–200 grams (3.5–7.1 oz) hand-held devices.