| 摘要 |
<p>Electronic price label system, comprising at least one base station(7) and a plurality of electronic labels(5a, 5b) wherein the base 5b station(s) (7) and the electronic labels (5a, 5b) comprise at least communication means and information is transferred between the base station(s) (7) and electronic labels (5a, 5b). The base station (7) or the base stations (7) are configured to send and receive information at first frequency band and second frequency band and, the electronic labels (5a, b) are configured to send and receive at a first frequency band and a second frequency band.</p> |
