In some examples, an apparatus may be usable in a first network and configurable to operate within a proximity of a second network that communicates traffic that interferes with data communication in the first network. Also included is a ring gear that meshes with the flexible gear. Firstly, real-time information including voice real-time information is received. In another embodiment, the user computer decodes the vibration signal of the vibration signature to a security set identifier and a security key, and then sends to a router. The bridge uses detection of a Bluetooth device that is associated with a person to track signal strength between the bridge and the Bluetooth device to determine where the person is at the exterior of the dwelling.