Controlling wireless, low-power radio frequency network

A method for controlling a wireless, low-power radio frequency network, and a control device, the network comprising a control device arranged as a master device and at least one slave device subordinated thereto. The master device is arranged to convey control data to the slave device and to receive detection data from the slave device. A data transmission connection is established between the master device and an external terminal via a second telecommunication network, in the master device the received detection data are arranged into a format required by the data transmission protocol used in the data transmission connection to be forwarded to the external terminal and control data from the external terminal to the master device for controlling at least one slave device is conveyed in the format required by the data transmission protocol used on the transmission connection.