Models of radios

is a brand of portable audio players manufactured by Sony since 1979. It was originally introduced as a portable cassette player and later expanded to include a range of portable audio products. Since 2011, the brand has referred exclusively to digital flash memory players.

defunct American electronics company

Japanese manufacturer of radio transmitting and receiving equipment, founded in 1954

first commercially manufactured transistor radio

thumb|A Nordmende Transita radio Nordmende, originally from Bremen, Germany, is a trademark owned by Technicolor SA. Nordmende was historically renowned as a major consumer electronics brand for high quality televisions and domestic appliances. The brand is now manufactured and distributed under licence in the United Kingdom, Ireland, Turkey and Italy.

thumb|right|upright|SCR-536 "handie talkie". thumb|upright|BC-611 on display at National Cryptologic Museum The SCR-536 (also referred to as the BC-611) was a hand-held radio transceiver used by the US Army Signal Corps in World War II. It is popularly referred to as a walkie talkie, although it was originally designated a "handie talkie".

The TR-55, released in 1955, was both Japan's and Sony's first commercially available transistor radio. The use of transistors allowed the device to be much smaller than earlier vacuum tube radios.

model series and trademark of Soviet portable transistor radios