What is the name of first commercially available mobile phone? During the 1930s and 1940s, inventor Donald Hings helped to develop a two-way radio device called the Walkie-Talkie. - Sanjay 01 -
Henryk Magnuski: Walkie-talkie, Warsaw University of Technology, Very high frequency, Warsaw, Resonator : Miller, Frederic P., Vandome, Agnes F., McBrewster, John: Amazon.it: Libri
Inventing the Walkie Talkie — Rossland Museum & Discovery Centre
Roger That: A Short History of the Walkie Talkie
Como nació el Walky Talky? La historia de DONALD HINGS | EA1URO.COM
Tech feature: How the walkie-talkie was invented
Donald Hings: Engineering the Walkie-talkie | The Channel