自动拨打电话KNZD-53

模拟 GSM 网络电话

KNZD-53自动拨号电话我们是制造商的尘埃和防水电话抗爆的矿业电话防水紧急电话为火灾报警区域和监狱。产品特点:1。不锈钢外壳:304 2。手机,嗡嗡作响,电路板,所有配件采用多层防水、防尘结构。3所示。稳定性好,抗干扰能力强,符合国家标准GB / T 15279 - 94证书4。可以达到IP66保护等级。5。壳牌完全隔离电气接地装置和与内部电路、电磁屏蔽效果。6。有优秀的音质清晰,噪音,没有回声7。Handset: special engineering plastics, one-piece structure, good sealing,-35 degrees won’t burst. 8.Shape is lightness and beauty 9.Wire: use teflon wire, acid and alkali resistance, high and low temperature resistance, anti-aging, no fire. 10.Waterproof glue: adopt import waterproof glue, high viscosity, high temperature resistant, high pressure, waterproof minimum 5 years of life 11.Intelligent busy signal detection function,automatically hang up when received the disconnect signals Operation: Auto-dial function Pick/hang up way: handset control,picking to connect; hang up to disconnect; Answer calls: When call, telephone ring,lift the handset, you can talk with each other, hang back the handset after the call. Dial phone: lift the handset can be directly dialing the hotline have been set on switches or the number have been storaged Waterproof Rate: IP66 Installs Way: Wall mounted