Home » Medical » Can Radio-Frequency Signals Provide COVID-19 Surveillance in Group Homes?MedicalCan Radio-Frequency Signals Provide COVID-19 Surveillance in Group Homes? Manny Johnson June 17, 2020 2 Views A radio-frequency re-identification system developed at MIT CSAIL could help retirement homes and assisted-living facilities detect COVID-19 outbreaks early using radio-frequency signals.