The iPhone is not the only phone that can switch automatically between a short-range Wi-Fi connection and a mobile-phone network, depending on which one it sniffs.
iPhone并不是唯一能够在短程wifi连接和移动电话网络之间自行切换的手机。
2
Wireless personal area network (WPAN) technology aims at short-range wireless communication.
无线个人网(WPAN)被定位于短距离无线通信技术。
3
This paper describes a RTU solution using HART protocol based on wireless shortrangenetwork.