Transmitting medical history and data using a wireless network from a data storage site to a remote hand-held data device, namely PDAs, cell phones, and similar devices; transferring medical information stored on an electronic card via a wireless network to remote hand-held data storage devices such as a PDA or cell phone; transmitting over a wireless network stored medical information from an authorized patient, physician, or medical care provider to a hand-held data storage device used by an emergency first responder, physician, medical care provider, or patient