An arrangement of a plurality of oxygen breathing devices (1a, 2a, 3a), in particular for providing oxygen to passenger or crew of an aircraft, each oxygen breathing device (1a, 2a, 3a) comprising: - an oxygen source, wherein oxygen is stored, in particular in chemically bound form or compressed form, - an oxygen guiding device (40a-c) for guiding oxygen from the oxygen source to a person, - an integrated transmitter comprising a sender adapted for wireless communication and a receiver adapted for wireless communication, the receiver of said integrated transmitter is adapted to receive a first decompression signal, said integrated transmitter is connected to said oxygen source to activate oxygen supply via said oxygen guiding device upon receipt of said first decompression signal, characterized in that - the sender of a first one of said plurality of oxygen breathing devices is adapted for wireless communication with the receiver of a second one of said oxygen breathing devices, and - the receiver of a first one of said plurality of oxygen breathing devices is adapted for wireless communication with the sender of said second oxygen breathing device, - said second oxygen breathing device is arranged in a distance from the first oxygen breathing device, - the integrated transmitter of the first oxygen breathing device is connected to the oxygen source of the first oxygen breathing device to activate the oxygen supply of the first oxygen breathing device via said oxygen guiding device upon receipt of said first decompression signal, - the sender of the first oxygen breathing device is adapted to send at least a second decompression signal signalising the need to activate oxygen supply from the oxygen source of the second oxygen breathing device via said oxygen guiding device upon receipt of the second decompression signal, and - said integrated transmitter of the second oxygen breathing device is connected to said oxygen source of the second oxygen breathing device to activate the oxygen supply of the second oxygen breathing device via said oxygen guiding device upon receipt of said second decompression signal. - an oxygen source, wherein oxygen is stored, in particular in chemically bound form or compressed form, - an oxygen guiding device (40a-c) for guiding oxygen from the oxygen source to a person, - an integrated transmitter comprising a sender adapted for wireless communication and a receiver adapted for wireless communication, the receiver of said integrated transmitter is adapted to receive a first decompression signal, said integrated transmitter is connected to said oxygen source to activate oxygen supply via said oxygen guiding device upon receipt of said first decompression signal, - the sender of a first one of said plurality of oxygen breathing devices is adapted for wireless communication with the receiver of a second one of said oxygen breathing devices, and - the receiver of a first one of said plurality of oxygen breathing devices is adapted for wireless communication with the sender of said second oxygen breathing device, - said second oxygen breathing device is arranged in a distance from the first oxygen breathing device, - the integrated transmitter of the first oxygen breathing device is connected to the oxygen source of the first oxygen breathing device to activate the oxygen supply of the first oxygen breathing device via said oxygen guiding device upon receipt of said first decompression signal, - the sender of the first oxygen breathing device is adapted to send at least a second decompression signal signalising the need to activate oxygen supply from the oxygen source of the second oxygen breathing device via said oxygen guiding device upon receipt of the second decompression signal, and - said integrated transmitter of the second oxygen breathing device is connected to said oxygen source of the second oxygen breathing device to activate the oxygen supply of the second oxygen breathing device via said oxygen guiding device upon receipt of said second decompression signal.