 In 1953, Becker introduced the AM/FM Becker Mexico with a Variometer tuner, basically a station-search or scan function.In April 1955, the Chrysler Corporation announced that it was offering a Mopar model 914HR branded Philco all transistor car radio, as a $150 option for its 1956 Chrysler and Imperial car models.Chrysler Corporation had decided to discontinue its all transistor car radio option at the end of 1956, due to it being too expensive, and replaced it with a cheaper hybrid (transistors and low voltage vacuum tubes) car radio for its new 1957 car models.