HDB-1型防(fang)爆電(dian)(dian)(dian)話機為本質安全(quan)型，具有(you)普通電(dian)(dian)(dian)話機功能外，還具有(you)全(quan)電(dian)(dian)(dian)子、無觸(chu)點感應功能，電(dian)(dian)(dian)路采用(yong)特種技術。話機與(yu)關(guan)聯設備BOH-1型防(fang)爆耦合器配(pei)套，與(yu)交換機連(lian)接，組成防(fang)爆通訊系(xi)統(tong)
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