In this paper, we describe the modeling of the contactless power-line data transmission for the industrial decentralized transportation system, as well as the performance of the data transmission. Compared with conventional in door PLC channels [M. Zimmer et al., 2002] [K. Dostert, 2000] the channel in the decentralized transportation system has several different features, which affects the performance of the data transmission. We have achieved to transfer the data with 450 kbit/s and control one transporter remotely. In the first section of this paper, the contactless data transmission and its system components are briefly reviewed. In the second section, the equivalent circuit model of the communication channel is presented and the parameters are estimated. In the third section, the performance of the data transmission is to be presented and analyzed.