A system comprising an electric kitchen appliance and an additional module that can be connected to the electric kitchen appliance for the exchange of data, wherein the additional module has a kitchen appliance interface, via which the data can be transmitted from the additional module to the electric kitchen appliance. The additional module has a radio interface and a repeater, wherein a data connection to a radio network can be established by way of the radio interface such that via the radio network, data signals can be transmitted to the additional module. By way of the repeater, the intensity of received data signals from the radio network can be amplified, and the amplified data signals can be re-transmitted. In this way, an additional benefit is made available to the user of the system.

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