A mobile device configured to enable a user to maintain a facility includes: a display device; a network interface configured to communicate across a computer network with an external computer server to retrieve facility data; an antenna for interrogating an RFID tag; a reader configured to read a response signal generated by the RFID tag in response to the interrogating, process the response signal to extract tag information, determine whether the tag information includes information identifying one of a room within the facility or equipment within the facility; and a processor configured to determine whether the tag information includes a room identifier identifying a room within the facility or an equipment identifier identifying equipment within the facility based on the facility data, retrieve display data from the stored facility data based on the identified information, and present the display data on the display device.