An electronic device for supporting an ultra wide band (UWB) protocol transmits first data, including mode information indicating whether the electronic device supports a mode associated with control of a preamble and a preamble having a first length, to an external electronic device circuit, receives second data including mode information indicating whether the external electronic device supports the mode associated with the control of the preamble from the external electronic device, and controls a length of the preamble, based on the mode information included in the second data.