how to detect signal disruptor

The cell signal blocker is generally composed of a power supply, an electronic scanning control unit, a segmented radio frequency module unit, an amplifier unit, and a transmitting antenna unit. Its working principle is generally generated by the sawtooth wave signal generator and the scanning signal is inverted by the inverter, and then enters the voltage-controlled oscillator to modulate the mobile communication working frequency band, and then is amplified by the power amplifier and the voltage regulator tube controls the power. Frequency signals are launched into the air in the form of radio waves.

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