新一代PD680防爆(bao)數字對講機,基于“本質(zhi)安(an)全(quan)型”設計,防爆(bao)標(biao)準(zhun)(zhun)達到“IIB”級別的標(biao)準(zhun)(zhun),在石油化工(gong)等含有高位爆(bao)炸(zha)性(xing)(xing),可(ke)燃性(xing)(xing)氣體粉塵等危險環(huan)境中,可(ke)提供專業的安(an)全(quan)通信保障。