Yes, the door bell button is what sends the signal to the gate opener receiver. When typing in a code into the keypad you should press "door bell" your code and then "door bell" again. The first door bell wakes the keypad for the sleep mode. It enters sleep mode to conserve battery. Because of this feature the 9 volt battery typically last 3-4 years. The second pressing of the door bell button sends the signal to the gate.