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In recent decades, wireless doorbell systems that do not require wall wiring have become popular. The doorbell button contains a built-in radio transmitter powered by a battery. When the button is pushed, the transmitter sends a radio signal to the receiver unit, which is plugged into a wall outlet inside the building.
Ring Doorbell requires a wireless Internet connection for operation. Ring Doorbell is compatible with wireless routers running 802.11 B, G, or N on 2.4 GHz. Ring Doorbell is set up wirelessly by the Ring App on your smart device. Ring Doorbell does not need to be connected to a computer during setup or operation. No, most Ring Doorbells arrive with a battery charge ranging from 50%-70%.