発はっ信しん機き

noun

transmitter; homing device

A device that sends out signals, often used for tracking or communication.

• 警けい察さつは容よう疑ぎ者しゃの車くるまに発はっ信しん機きを取とり付つけた。

  The police attached a transmitter to the suspect's car.

• この発はっ信しん機きの電でん波ぱはどこまで届とどきますか。

  How far does this transmitter's signal reach?