| CPC G09G 5/12 (2013.01) [H04W 74/04 (2013.01); H04W 88/08 (2013.01); G09G 2370/16 (2013.01); G09G 2380/04 (2013.01); H04W 84/12 (2013.01)] | 15 Claims |

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1. A radio base station comprising:
a first radio module for radio communication with first radio communication devices;
a connection for connecting an electronic price display sign (ESL) radio module for radio communication with electronic display signs; and
an electronic circuit configured to:
control the radio communication of the first radio module in accordance with a first communication protocol,
control the radio communication of the ESL radio module connectable to the connection in accordance with a second communication protocol, and
predictively change a time sequence defined for a future time period of radio activities of the first radio module on the basis of radio activities of the ESL radio module, which are defined for said future time period.
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