Command communication system , having: - a first command communication facility , which has - a sensor unit for detecting a movement of an operator (P), - a fixing unit for securing the sensor unit and/or the command communication facility to the operator (P), - an evaluation unit for evaluating the detected movement of the operator (P) and for identifying a command (IB, ASB, KB) on the basis of the detected movement, and - a command communication unit for transmitting a control command to a medical facility that is to be operated on the basis of the identified command (IB, ASB, KB), wherein the sensor unit comprises an internal gesture sensor unit for gesture recognition, - is embodied as a master facility for a bidirectional exchange with at least one slave facility, - whose gesture sensor unit is activated and - which is configured to transmit a determined command (IB) to a second command communication facility , - the second command communication facility , which - is disposed at a distance from the operator (P), preferably on a medical facility that is to be operated, - is embodied as a slave facility for a bidirectional data exchange with a master facility, - includes an evaluation unit which comprises at least one of the following subunits: - a gesture recognition unit which is activated from a distance to the operator (P) for the purpose of detecting a movement or gesture of an operator (P), - a voice recognition unit having a voice recognition capability, and - which is configured to receive the command (IB) received by the first command communication facility and to transmit a control command (SB) to the medical facility based on the received command (IB). - a first command communication facility , which has - a sensor unit for detecting a movement of an operator (P), - a fixing unit for securing the sensor unit and/or the command communication facility to the operator (P), - an evaluation unit for evaluating the detected movement of the operator (P) and for identifying a command (IB, ASB, KB) on the basis of the detected movement, and - a command communication unit for transmitting a control command to a medical facility that is to be operated on the basis of the identified command (IB, ASB, KB), - is embodied as a master facility for a bidirectional exchange with at least one slave facility, - whose gesture sensor unit is activated and - which is configured to transmit a determined command (IB) to a second command communication facility , - the second command communication facility , which - is disposed at a distance from the operator (P), preferably on a medical facility that is to be operated, - is embodied as a slave facility for a bidirectional data exchange with a master facility, - includes an evaluation unit which comprises at least one of the following subunits: - a gesture recognition unit which is activated from a distance to the operator (P) for the purpose of detecting a movement or gesture of an operator (P), - a voice recognition unit having a voice recognition capability, and - is disposed at a distance from the operator (P), preferably on a medical facility that is to be operated, - is embodied as a slave facility for a bidirectional data exchange with a master facility, - includes an evaluation unit which comprises at least one of the following subunits: - a gesture recognition unit which is activated from a distance to the operator (P) for the purpose of detecting a movement or gesture of an operator (P), - a voice recognition unit having a voice recognition capability, and - which is configured to receive the command (IB) received by the first command communication facility and to transmit a control command (SB) to the medical facility based on the received command (IB). <EOS>