Wireless communication device with circuit for unconnecting data input and method thereof

A wireless communication device, comprising:

• a power input configured to receive electrical power from an external device;
• a data input configured to receive a data signal from the external device;
• a processor configured to process the data signal;
• and
• a circuit interconnecting the data input and the processor, the circuit configured to electrically disconnect the data input from the processor when electrical power at the power input is less than a predetermined level.

A method of supplying data to a processor of a wireless communication device, the method comprising:

• providing a wireless communication device comprising a processor, a power input, and a data input;
• providing an external device comprising a power supply port and a data supply port;
• electrically connecting the power input to the power supply port and the data input to the data supply port;
• and
• electrically connecting the data input to the processor only when electric power at the power input is greater than or equal to a predetermined level.