What is the term for any device or equipment that can be adversely affected by radiocommunication emissions?

The term that refers to any device or equipment that can be adversely affected by radiocommunication emissions is "radio-sensitive equipment." This designation applies to various types of electronic devices that may experience interference or disruption due to radio frequency signals. Such devices can include sensitive medical equipment, scientific instrumentation, or any technology that relies on precise electronic functioning, which can be influenced by external radio emissions.

Understanding this term is crucial for amateur radio operators, as they must be aware of the potential impacts of their emissions on other sensitive devices. This knowledge can help them operate their stations responsibly, ensuring that their activities do not unintentionally cause disruption or harm to nearby electronic systems that are particularly susceptible to radio frequency interference.

The other options do not specifically capture the essence of devices adversely affected by radiocommunication emissions. Communication apparatus and transmission devices refer more to the tools used for sending and receiving signals rather than those that could be negatively impacted by such signals. External machinery is too general and does not imply any inherent sensitivity to radio emissions, making it less applicable in this context.