...less Local Wireless Network）等无线通信，随着宽频化、高频化、全球化的技术进化，高频用射频元件（Radio Frequency devices）成为不可或缺的关键性元件，尤其移动电话的RF单元必需使用高Q值，适合2～5GHz高频的FBAR滤波器（Film Bulk Acoustic Resonator f...
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radio frequency identification devices 无线射频识别 ; 射频识别技术 ; 无线射频辨认
Radio Frequency Lighting Devices 射频照明设备
radio frequency microelectromechanical system devices 射频微机电器件
Supporting hand-held devices, such as PDAs and radio frequency devices.
支持手持设备，例如pda和射频设备。
The vector network analyzer is the special instrument that tests microwave and radio frequency devices, its application is very extensive in the wireless measurement field.
矢量网络分析仪是测试微波射频器件的专用仪器，在无线电测试领域应用非常广泛。
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