A self-powered radio frequency device for detecting electromagnetic (EM) radiation is disclosed. The self-powered radio frequency device may include a plurality of EM collector devices configured for collecting EM radiation corresponding to a plurality of frequency bands. Further, the self-powered radio frequency device may include at least one converter device electrically coupled to the plurality of EM collector devices. Further, the at least one converter device may be configured for converting the EM radiation into electrical energy. Further, the self-powered radio frequency device may include at least one indicator device electrically coupled to the at least one converter device. Further, the at least one indicator device may be configured for generating at least one indication based on the electrical energy corresponding to at least one frequency band of the plurality of frequency bands.