MMA Global on Twitter: "1999 also saw the release of the world's first #mobile phone and GPS navigator rolled in one — The Benefon Esc! #cellphoneturns44 https://t.co/T5Z3KAid21" / Twitter
GPS - Wikipedia, den frie encyklopædi
Rockwell Trooper Handheld/Vehicular GPS Receiver, 1993 | Science Museum Group Collection