| 摘要 |
<p>The invention relates to a device for blocking the communications of mobile terminals. According to the invention, the device consists of an emitter comprising a local oscillator () which is frequency-modulated by means of a modulation oscillator (), the frequency of which is adapted to the technology of the radio communication network , a radio frequency amplifier () the output power level of which is controlled in order to maintain the linearity of the amplification chain, a power amplifier () and an emission antenna (), of any type, specific to the operating network frequency band , and an external power supply () providing electric power to a supply block () which generates the voltages required by the emitter.</p> |
