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The interconnection of smart home devices plays a key role in future smart grid energy systems. It is reasonable to apply wireless technologies for smart home networks, as they can be easily retrofitted in existing homes. Due to multipath propagation in indoor environments, wireless technologies have to cope with frequency selective fading. Thus, this paper presents an enhanced frequency hopping mechanism for reliable interconnection of low power smart home devices. The evaluations are based on the Bluetooth Low Energy standard. Different options are compared by evaluating the indoor coverage range, the energy consumption, and the latency.