| 摘要 |
To improve the security of an automation system (10) for a movable barrier (12), comprising a central control unit (20) with at least one wireless transceiver (24) able to send and receive radio signals, and one or more peripheral devices (30) each with at least one wireless transceiver (30) able to send and receive radio signals, the central and / or a or each peripheral device is adapted to transmit at least two signals with diversity techniques. |
