| 简介 |
The device security rare measurer sets or underground parking lot in vulnerable area of call button wireless in the power supply unit, a tape by using wireless signal relay circuit various in communication with by generating alarm sound and signals occurrence of tape while tape expresses forms a plurality of a cart in real-time the location of sensor is attached to one end in the frequency is changed depending on movement a radio capable of call button is warning apparatus using said and position informing system of the. Repeatedly calculating the locations closest box in the operation starting feature of the call button only need to press a consent 424MHz frequency without the need for a using radio communication is transferred from the wireless signal is using the repeaters, the signal which has been subjected to local and warning siren repeater and central electric sign through wireless communication system is provided to reduce or the emergency for informing occurrence and occurrence position may be displayed in the, fast memory manager and terminal of the person in charge can solve tape designed to. |
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