Traditionally, manually moving files back and forth between a PC and expensive equipment like an embroidery machine or 3D printer can be inconvenient and may lead to loose connections with USB drives.
Wen S. Signal strength sensitivity and its effects on routing in maritime wireless networks[C]//2008 33rd IEEE Conference on Local Computer Networks (LCN). IEEE, 2008: 192-199. [9] Won M, Kim S S.