路边电话knem-21.

模拟 voip. 啜

紧急路边电话knem-21旨在高速公路，校园高风险区域的紧急路边电话。一个按钮推动谈话。蓝光闪光灯。需要用于户外用于广域音频播放的防水IP66。SOS紧急支柱knem21用于道路的高强度金属机身，专为在道路和高速公路领域而设计的室外使用。它通常配备有免提电话SOS KNEM21。急诊电话塔通常用于大学和大学校园，停车设施，商场，医疗中心，工业校园和过境设施，其中广泛的音频播出。提供不同的颜色，包括交通RAL1028黄色，橙色工业RAL2003。它可以配备闪烁的LED或氙气头灯，具有单独的电源或由电话线提供，并由符号（SOS +电话）完成，符合当前标准。可以根据客户规范定制符号。 The front panel providing door, is designed to support any kind of flush mounting telephone models. The rear panel door is the access to the cable terminals and batteries.Any kind of well protected PCB inside is available on our wide range of producst. GSM/PSTN/VOIP etc. CCTV camera built-in optional. Blue light station. The LED Blue Light is continuously flashes when the emergency telephone rings, the LED blue light turn on for duration of a call when EMERGENCY button is pressed to draw attention to the unit. The LED blue light turn off when standby.