Over long distances,the options for transmission technologies dwindle,leaving 4G/5G cellular,LPWAN,and satellite as suitable,reliable options for remote connectivity.
在长距离传输中，传输技术的选择越来越少，使得4G/5G蜂窝、LPWAN和卫星成为远程连接的合适、可靠选择。
Furon UPRM-188-30-M valve
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