1) one call button at each station 2) one LED display unit how it works? when someone need service, ge/ she can press the button, the number will be sent to the LED display.
Beijing Yueqi Science & Technology Co., Ltd., headquartered in Beijing, is a leading supplier of calling systems and a high-tech enterprise integrating independent R& D capacity, independent....
RJ45 Plugs CAT6 Stranded Conductor 24 thru 26 AWG Round cable 50 micro inches of gold plating on contacts Plastic insert with stepped entry for individual wires
Welcome you to visit Beijing Dayangfeng Electronic Technology Co., Ltd.Products The manufacturer and exporter ------------------------------------------------------------------- --professional....