A method for establishing a secure wireless communications network

A method for establishing a secure wireless communications network between electronic devices, said method comprising: a plurality of electronic devices are provided that use a common protocol for wireless communications with other electronic devices, each electronic device includes a Nahfeldkommunikations read / write device; an electronic master device is provided, capable of controlling the other electronic devices in the network; characterized, in that Nahfeldkommunikations multiple-read-only tags are provided in a defined geographic area, each tag contains a secret information about the electronic master device; and each electronic device which is to be added to the network, is led past in the vicinity of the Nahfeldkommunikations-read-only tags; an authentication certificate of each electronic device which is to be added to the network, is calculated from the secret information which has been read by a Nahfeldkommunikations tag and transmitted wirelessly; the transmitted authentication certificate, if it is valid, used to trigger the electronic master device to switch temporarily from a non-detection mode to a discovery mode; and the preparation of communications by exchanging additional data, as required, completed by the wireless communication protocol that is used.