Story: Telecommunications
The first mobile phones, shown here by Post Office engineer Harry Shilling, used analog technology. Analog is the electronic transmission of sound using signals of varying frequency carried by an electromagnetic current. Digital, or digital and analog combined, quickly became standard mobile phone technology.
About this item
Alexander Turnbull Library, Dominion Post Collection (PAColl-7327)
Reference: EP/1985/1159/8A
Photograph by Stuart Ramson
Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.
