Radiophone (noun)

1. A device that uses radio waves to transmit and receive sound signals.
2. A telephone that transmits signals wirelessly using radio waves.

Origin:

Early 20th century: from radio + -phone.

Examples:

1. The radiophone was a revolutionary invention in the early 20th century.
2. The radiophone allowed people to communicate with each other wirelessly and without the need for telephone lines.
3. The radiophone was the first step towards modern cell phone technology.
4. The radiophone was often used in early radio broadcasting as a way for hosts to take calls from listeners.
5. Today, radiophones are used in many forms, including cell phones, two-way radios, and satellite phones.