A first device comprising: - a communication link for Radio Frequency, RF, network compliant with a communication standard; - a processor ; - an input unit to receive inputs from a user; - a memory storing a table of data representative of a plurality of commands to send to the RF network comprising a first set of commands belonging to a communication standard and a second set of commands not belonging to said communication standard; - the processor being configured to: - use the communication link to send to a second device in the RF network a message compliant with said communication standard to join the RF network(61 0b), said message to join the RF network comprising optional metadata; - use the communication link to receive a response message from the second device , said response message comprising, if commands from the second set of commands are allowed by the RF network, optional response metadata; - associate , based on said response metadata, to an input type of the input unit, a command from the second set of commands if the commands from the second set of commands are allowed by the RF network and a command from the first set of commands otherwise; - upon an input of said input type from the user , use the communication link to send to the RF network a message with said associated command . - a communication link for Radio Frequency, RF, network compliant with a communication standard; - a processor ; - an input unit to receive inputs from a user; - a memory storing a table of data representative of a plurality of commands to send to the RF network comprising a first set of commands belonging to a communication standard and a second set of commands not belonging to said communication standard; - the processor being configured to: - use the communication link to send to a second device in the RF network a message compliant with said communication standard to join the RF network(61 0b), said message to join the RF network comprising optional metadata; - use the communication link to receive a response message from the second device , said response message comprising, if commands from the second set of commands are allowed by the RF network, optional response metadata; - associate , based on said response metadata, to an input type of the input unit, a command from the second set of commands if the commands from the second set of commands are allowed by the RF network and a command from the first set of commands otherwise; - upon an input of said input type from the user , use the communication link to send to the RF network a message with said associated command . - use the communication link to send to a second device in the RF network a message compliant with said communication standard to join the RF network(61 0b), said message to join the RF network comprising optional metadata; - use the communication link to receive a response message from the second device , said response message comprising, if commands from the second set of commands are allowed by the RF network, optional response metadata; - associate , based on said response metadata, to an input type of the input unit, a command from the second set of commands if the commands from the second set of commands are allowed by the RF network and a command from the first set of commands otherwise; - upon an input of said input type from the user , use the communication link to send to the RF network a message with said associated command . <EOS>