US Patent 11390248 Gateway device, vehicle and remote control system including the same

A gateway device includes: a communicator configured to communicate with a user terminal and a smart key device; and a controller configured to; transmit a search signal for communication connection through the communicator; transmit a turn-on signal to the smart key device when a response signal corresponding to the search signal is received from the user terminal; and control the communicator to transmit a control signal to the smart key device when the control signal is received from the user terminal.