Laser-eavesdropping prevention interference device

The utility model discloses a laser-eavesdropping prevention interference device, which includes a casing, a chip and a fixing device, wherein the fixing device is arranged at the bottom of the casing, and the chip is arranged inside the casing. The interference device is characterized in that the chip includes a noise excitation module, a controller, noise drivers and energy converters, wherein the noise excitation module is connected with the controller, a plurality of noise drivers are connected with the output of the controller, and the converters are connected with the outputs of the noise drivers. The laser-eavesdropping prevention interference device is characterized in that the laser eavesdropping is prevented by the noise interference method; the windows are not required to be improved, and the cost is low; the anti-jamming effect is good, the reliability is high, the decoding is hard, the arrangement is facilitated and using requirements are met.