At present, most electronic shelf labels choose 2.4G or Bluetooth solution, it needs to transmit information through the base station, which brings inconvenience to the communication distance and field wiring.
In industrial smart factory, E-ink industrial kanban using WIFI protocol can change the content of the work instruction even without manual replacement, which greatly improves work efficiency. Moreover, WIFI has a wide communication distance, does not need a base station, and is more convenient to deploy.