telecommunications by satellite
Transmission of data such as images, sound and computer data using radio waves relayed by satellites.
personal communications 
All the messages exchanged between individuals.
consumer 
road communications 
All the messages related to vehicular traffic, including trucks, taxis and emergency vehicles.
telephone network 
All the installations allowing the exchange of data or voice messages, sounds or images between two or more customers.
teleport 
Installation with equipment allowing it to offer customers access to satellite telecommunications services.
maritime communications 
All the messages used to help ships and submarines navigate and to control maritime traffic.
military communications 
All the messages related to the armed forces and battleground operations.
air communications 
All the messages used to help aircraft navigate and to control air traffic.
industrial communications 
All the messages exchanged by companies involved in the production of goods and services.
repeater 
Device running the length of a cable that receives, amplifies and resends signals to transmit them over long distances.
distribution by submarine cable 
Signals can be relayed through a network of underwater cables.
distribution by underground cable network 
Signals can be relayed through a network of underground cables.