A reader for the 2N IP Verso and 2N LTE Verso intercom systems that combines RFID technology with a modern access control concept, utilizing identification data on a mobile phone through Bluetooth technology. This complex module with a multifrequency RFID reader also reads protected RFID cards. Identification of the incoming person is also possible using a smartphone with the installed 2N Mobile Key app. Some functions of the 2N IP intercoms are only available after entering a valid license key. The following license types are available: NFC.