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WS-500H-LR無線智能門磁報警器是(shi)(shi)一款基于LoRa無線通(tong)(tong)訊(xun)的門(men)(men)磁(ci)報(bao)警(jing)器(qi)，門(men)(men)磁(ci)報(bao)警(jing)傳(chuan)感(gan)(gan)器(qi)是(shi)(shi)用來探(tan)測門(men)(men)、窗(chuang)、抽屜等是(shi)(shi)否被(bei)非法打開(kai)或移動；門(men)(men)磁(ci)報(bao)警(jing)傳(chuan)感(gan)(gan)器(qi)能探(tan)測到(dao)門(men)(men)、窗(chuang)的關閉狀態(tai)，當主機設(she)防狀態(tai)下門(men)(men)或窗(chuang)被(bei)打開(kai)時，門(men)(men)磁(ci)傳(chuan)感(gan)(gan)器(qi)將主動發送無線信號(hao)給LoRa接收設(she)備，管理中心收到(dao)報(bao)警(jing)信號(hao)后會采取相(xiang)關措施，如通(tong)(tong)過電(dian)話、短(duan)信報(bao)警(jing)及時通(tong)(tong)知(zhi)戶主，從而防止非法闖入，捍衛家庭安全；報(bao)警(jing)器(qi)采用DC3V AAA （七(qi)號(hao)電(dian)池）電(dian)池供電(dian)，電(dian)池壽命：1年(nian)以上(由場所和報(bao)警(jing)次數決定)，探(tan)測距(ju)離：3cm，LoRa頻率(lv)433~435MHZ，空曠地方(fang)通(tong)(tong)訊(xun)距(ju)離2公里。