in order to connect the housing to a smooth surface such as the windshield of an aircraft a lateral window of an aircraft the communication device comprises an attachment system 12 it can be a suction cup provided with a vacuum pump which can attach to any smooth surface and windshield lateral window or port in the cockpit or in the cabin this suction cup can deploy at the base of the housing or on the side of the housing see fig3 it can be an attachment system using the velcro u2122 system of which the male part is attached to the housing 8 and the female part is attached to the inner trim of the aircraft or to the accessories or any other part capable of receiving this female part the communication device d must be able to be cut off as soon as the communication device is no longer in contact with its attachment support in the aircraft a glazed wall of the aircraft for example in fact in this case the communication device can perturb the operation of the aircraft to accomplish this the communication device comprises a det loss of contact detector configured to detect the detachment of.