A wearable, one-way transfer device component for use in a communications system that includes a first device coupled to a first communication network that receives and compiles global positioning data corresponding to the physical location of one or more objects, a first serial communication path for transmitting the global positioning data from the first device, the first serial communications path being unidirectional to prevent data from being transmitted to the first device, means for formatting the global positioning data received from the first serial path into a serial communication format, a second serial communication path for transmitting the formatted global positioning data to a second device associated with a second communication network, and a user replaceable means for providing power to the means for formatting the global positioning data.