A portable electronic device is disclosed that is reprogrammable through a pager network. The device includes a communications port. The device also includes a data transceiver for transmitting send data and receiving receive data from a pager network. In addition, the device has a processor. The processor...http://www.google.com.hk/patents/US7181606?utm_source=gb-gplus-share專利 US7181606 - Electronic device that uses a communications network for remote reprogramming of the device
