An arrangement for controlling transfer of information, comprising a radio system and a terminal equipment, which radio system comprises at least two base stations and is configured to set up simultaneous connections between the terminal equipment and at least two base stations, the terminal equipment being configured to measure properties of the connections between the terminal equipment and the base stations, and to select at least one of the base stations as a primary base station, information transfer between the primary base station and the terminal equipment being activated, and the radio system comprising a combining-splitting point, which is configured to carry out combining/splitting functions on information flows transmitted via connections set up over different physical transmission paths. The radio system is configured to restrict transfer of information between at least one secondary base station and the combining-splitting point, the terminal equipment having an inactive connection with the secondary base station.