An example of the present invention provides a
dongle system including a
dongle terminal, the
dongle terminal comprising: a dongle
terminal unit including a dongle
data terminal for data communication with an external product, a dongle power terminal for receiving power supply from the external product, and a dongle antenna terminal for connection with an antenna unit which is installed in the external product and is wirelessly connected to an external
server and
the Internet of things; a dongle data communication
processing unit connected with the dongle
data terminal so as to process data communication with the external product; a
wireless communication
processing unit connected with the dongle antenna terminal so as to process
wireless communication with the external
server, and to receive, from the external
server, a first product
control signal for providing an
Internet of things service to the external product; and a product service
software unit having dongle
software installed therein,
processing the first product
control signal received through the
wireless communication processing unit and transmitting the same to the dongle data communication processing unit, and transmitting, to the dongle data communication processing unit, a second product
control signal which is generated through the dongle
software so as to control the external product.