Raadiole
Raadiole is a type of radio receiver that was popular in the early 20th century, particularly during the 1920s and 1930s. It was a simple, affordable device that allowed users to listen to radio broadcasts. The term "raadiole" is derived from the Finnish word "radio," which means radio, and "le," which means receiver. Raadiole receivers were typically battery-powered and used a single vacuum tube to amplify the incoming radio signal. They were capable of receiving both amplitude-modulated (AM) and frequency-modulated (FM) signals, although FM reception was less common due to the higher cost of FM receivers. Raadiole receivers were widely used in Finland and other Nordic countries, where they played a significant role in the development of radio broadcasting. Today, raadiole receivers are considered vintage items and are often sought after by collectors and enthusiasts.