A re-wearable wireless device includes a reusable component to be secured to a disposable component. The reusable component includes a sensor interface to receive signals from an electrode secured to a living subject and monitors physiological and physical parameters associated with the living subject and a cellular wireless communication circuit. An adhesive base the device includes a first adhesive layer and a second adhesive layer partially covering the first adhesive layer around a perimeter thereof, where the first and second adhesive layers include different adhesives. A method of establishing a link between two wireless devices is also disclosed, where a first wireless device with an insignia representing a communication channel address identification is provided. An image of the insignia is captured with a mobile telephone computing device comprising an image sensor. The captured image is processed to extract the communication channel address identification represented by the insignia.