Low cost high-frequency device, high-frequency amplifying method, radio communication device and mobile phone.
低成本高频装置，高频放大方法，无线通信装置和移动电话。
This device has some advantages, such as low cost, wide frequency, high accuracy and etc.
它具有成本低，频率范围宽，测量精度高等特点。
This device has some advantages, such as low cost, wide frequency, high accuracy and etc.
它具有成本低，频率范围宽，测量精度高等特点。
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