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煤矿井下通信采用的是传统的固定电话方式,而无线也都是采用对讲机、小灵通、CDMA等技术,而系统所采用的是目前国内最流行的Wi-Fi技术。它作为高速有线接入技术的补充,具有可移动性、带宽高、价格低廉等优点。
Coal mine communications using the traditional fixed-line approach, and wireless are also using walkie-talkies, PHS, CDMA and other technologies, and the system is currently used by the most popular Wi-Fi technology. As a supplement to high-speed wired access technology, it has the advantages of mobility, high bandwidth and low price.