radiofrequency signal

Also found in: Dictionary, Thesaurus, Encyclopedia.

radiofrequency (rf) signal

1 an electrical signal whose frequency is in the rf range.
2 a signal within an ultrasound instrument between the transducer terminals and components where rectification and filtering occur.
References in periodicals archive ?
The first sentence could equally well have been written as "There is some evidence to date that exposure to radiofrequency signals from Wi-Fi adversely affects the health of some of the population".
As Laura is giving me the "drop dead" date for having my manuscript submitted my eyes are glancing on the article, "The dramatic increase in use of cellular telephones has generated concern about possible negative effects of radiofrequency signals delivered to the brain.
The device sends radiofrequency signals to a receiver worn on the patient's body The data are subsequently downloaded to a dedicated computer workstation for analysis.