Patent attributes
A wireless device can transmit, over a communications network to a server, a request to download an application associated with obtaining information pertaining to a package. The wireless device can receive the requested application from the server, and can execute the application using the one or more processors. The wireless device can transmit one or more electromagnetic pings in a vicinity of the package, receive a first return signal from the first resonance portion, and receive a second return signal from the second resonance portion. The first return signal has a frequency based on the one or more electromagnetic pings and a first resonant frequency of the first resonance portion, and the second return signal has a frequency based on the one or more electromagnetic pings and a second resonant frequency of the second resonance portion.
