Table of frequencies within the human hearing range between
20 Hz y 20 Khz, compared with the approximate hearing range
of different animals and insects.
Remember, when installing the
DOG
|
CAT
REPELLER
PRO, that ultrasound waves do not penetrate walls (brick,
plaster, etc.), or wooden room dividers, glass, plasterboard
false ceilings or other solid materials. Hang the
DOG
|
CAT
Human
Bat
Mosquito
Butterfly
Fly
Cockroach
Cricket
Dog
Grasshopper
Rodent
Dolphin
Mole
Others
0.02
0.1
0.2
0.3
1
2
5
10
20
50
100
200
Khz
Audible Ultrasound