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Ultrasonic Rodent Repeller

It is a Microcontroller based Digital Ultrasonic Rodent Repeller. These are electronic transmitters of high frequency sound waves (well above 20 Khz frequency) which is the upper limit of hearing range of the human ear. They emit intensive sound of high decibel levels (sound pressure) which are audible and painful for rodents but inaudible and harmless to humans. The acoustically hostile environment created by Ultrasonic Rodent Repeller induces auditory stress in rodents, thereby forcing them to leave the area being protected by ultrasound. They do not get killed.

Ultrasonic Rodent Repeller is a high frequency random signal generator operating between 2 bands i.e. 20 Khz to 50 Khz and 30Khz to 60 Khz. It has 5 different values for the Wave Speed parameter which is an indicator for the number of frequency sweeps per minute. The unit is programmed to 2 frequency bands of operation which are pre tuned for 100 different frequencies.

    Band A:  Ranges from 20 Khz to 50 Khz and
    Band B:  Ranges from 30 Khz  to 60 Khz

The unit automatically changes the Frequency Band and Wave Speed Parameters randomly thereby ensuring that the rodents don’t get used to the ultrasound.

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