The utility model relates to a communication device, in particular to a reinforced mobile phone signal shielding device. Contains a single shield Road, the road contains a single shielding sawtooth wave generator, the sawtooth generator connected to a voltage controlled oscillator, the voltage controlled oscillator is connected with RF power amplifier, the power amplifier is connected with the transmitting antenna. The shielding single path has more than one, which is independent of each other. Has the following advantages: the hardware system using the above provided, can effectively shield mobile phone signals, especially a good solution to the 3G or 4G mobile phone signal shielding; a good solution to the problem of future product upgrades; solve the problem of long time continuous and stable working equipment; strictly control the working bandwidth, frequency lock, ensure that does not affect the base station the uplink signal, avoid the operator complaints; temperature range for this device is more applicable, help products in various occasions.
【技术实现步骤摘要】
【技术保护点】
加强型手机信号屏蔽器，其特征在于，包含屏蔽单路，所述屏蔽单路包含锯齿波发生器，所述锯齿波发生器连接压控振荡器，所述压控振荡器连接射频功率放大器，所述射频功率放大器连接发射天线。
【技术特征摘要】
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