A communication adaptor, comprising within a casing : - a transmission antenna for wireless communication, preferably a near field communication antenna, - a DALI wired control interface connected to wired control interface terminals , - the wired control interface terminals forming a part of the communication adaptor, - a control circuitry for converting wireless signals received at the transmission antenna for wireless communication into wired control interface signals to be supplied to the wired control interface terminals and optionally vice versa, wherein - the adaptor is designed such that it can be brought in close contact with a reception antenna for wireless communication of a converter for lighting means , such as e.g. LEDs, in order to establish a wireless communication, characterized in that the control circuitry and the DALI wired control interface are powered by means of a DC voltage at the wired control interface terminals , and the control circuitry is designed to convert received wired control interface signal blocks comprising physical states low and high of the DALI wired control interface into wireless communication high frequency bursts, wherein the control circuitry is configured to encode the physical state low of the DALI wired control interface by the presence of a wireless communication high frequency burst and encode the physical state high of the DALI wired control interface by the absence of the wireless communication high frequency burst. - a transmission antenna for wireless communication, preferably a near field communication antenna, - a DALI wired control interface connected to wired control interface terminals , - the wired control interface terminals forming a part of the communication adaptor, - a control circuitry for converting wireless signals received at the transmission antenna for wireless communication into wired control interface signals to be supplied to the wired control interface terminals and optionally vice versa, wherein - the adaptor is designed such that it can be brought in close contact with a reception antenna for wireless communication of a converter for lighting means , such as e.g. LEDs, in order to establish a wireless communication, characterized in that the control circuitry and the DALI wired control interface are powered by means of a DC voltage at the wired control interface terminals , and the control circuitry is designed to convert received wired control interface signal blocks comprising physical states low and high of the DALI wired control interface into wireless communication high frequency bursts, wherein the control circuitry is configured to encode the physical state low of the DALI wired control interface by the presence of a wireless communication high frequency burst and encode the physical state high of the DALI wired control interface by the absence of the wireless communication high frequency burst. the control circuitry and the DALI wired control interface are powered by means of a DC voltage at the wired control interface terminals , and the control circuitry is designed to convert received wired control interface signal blocks comprising physical states low and high of the DALI wired control interface into wireless communication high frequency bursts, wherein the control circuitry is configured to encode the physical state low of the DALI wired control interface by the presence of a wireless communication high frequency burst and encode the physical state high of the DALI wired control interface by the absence of the wireless communication high frequency burst. <EOS>