Definition

Noun: - A device that generates radio frequency signals, modulates them with information (such as sound or data), and broadcasts them through an antenna. It is the component of a radio system responsible for sending out signals.

Usage

• A radio transmitter is used to send information over a distance using radio waves.
• It is a key part of communication systems, including broadcasting stations, two-way radios, and wireless networks.

Examples

• The amateur radio operator carefully adjusted the settings on his radio transmitter before making contact with a station overseas.
• The emergency services vehicle is equipped with a powerful radio transmitter to maintain communication with the dispatch center.
• The old broadcasting tower housed the main radio transmitter for the entire region.

Advanced Usage

• In technical contexts, the term can specify the part of a device dedicated to signal generation and emission, as opposed to the receiver. For example: "The phone's radio transmitter was faulty, so it could not send calls or data."

Variants and Related Words

• Transmitter: A more general term for any device that sends out signals, which may use other mediums like light or sound, not exclusively radio waves.
• Radio Transceiver: A device that combines both a radio transmitter and a radio receiver in a single unit.

Synonyms

• Broadcaster (in the context of a station or its equipment).
• Sender (general term for something that transmits).

Related Phrases

• Transmit signals: The core function performed by a radio transmitter.
• On the air: A phrase indicating that a radio transmitter is actively broadcasting a signal.

Noun

1. transmitter that is the part of a radio system that transmits signals