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A transistor radio is a small portable radio receiver that uses transistor-based circuitry. Following their development in 1954, made possible by the invention of the transistor in 1947, they became the most popular electronic communication device in history, with billions manufactured during the 1960s and 1970s.
Reginald Fessenden was a Canadian inventor reputed for his achievements in early radio. The first audio transmission by radio in 1900, the first two-way transatlantic radio transmission in 1906, and the first radio broadcast of entertainment and music in 1906, were his three significant milestones.he question as to who invented the radio does not have a specific answer. There have been numerous theories and patents filed for credits. In case of the discovery of the radio, one fine understanding is that many theories and principles went into a completed circuit of the radio.