History The fist radio audio transmitter and receiver that was coined the 'walkie talkie' was made by Motorola. The group involved developed the Motorola SCR-300 using frequency modulation. This 1st revision was truly backpack mounted. Not prolonged afterward, through World War 2, Motorola produced the 'Handie Talkie' which rather confusingly is what we would now recognise being a 'Walkie Talkie'. It had massively decreased performance, but was the initial fully self contained handheld device. Nowadays They are extensively utilised presently in both customer and commercial environments, for instance outdoor recreations, enterprise use, military and public safety. As a end result of this the costs and excellent in the units vary greatly, from youngsters walkie talkies to rugged digital units for heavy industry use. As technologies has improved, and lessen in size, so have the housings. Normally, you can come across the commercial walkie talkies are tougher, in protective conditions and restricted to a decide on couple of frequencies. Consumer versions however often be smaller, additional lightweight and capable of scanning across far far more channels inside of the band. Kids walkie talkies are normally decreased power units, and as a result are exempt from licence requirements. Although they generally appear identical as fully featured versions, they are generally fairly low-tech in comparison.