A complete set of wireless control (2-channel radio key transmitter RNK-02 and 1-channel bistable radio receiver ROP-01). Wireless control sets are a ready-to-use set of transmitting and receiving devices that enable the implementation of wireless control functions as part of the EXTA FREE system. In addition, at any time it is possible to program another transmitter or receiver of the EXTA FREE system - not included in the set. This functionality extends the possibilities of using sets, the implementation of additional applications, etc.