| 摘要 |
PURPOSE: A communication device using binary-CDMA is provided to have a call through a binary-CDMA method and a general mobile phone method in one terminal, thereby drastically reducing a communication expense in an area where the binary-CDMA method call is possible. CONSTITUTION: A binary-CDMA(Code Division Multiple Access) module(170) performs communication through a binary-CDMA method. A mobile communication module(180) performs communication through a general mobile phone method. A control unit(190) searches whether a call using a binary-CDMA method is possible by transmitting a signal to a counterpart terminal through the binary-CDMA module. If the call using a binary-CDMA method is possible, the control unit performs the communication through the binary-CDMA module. |
