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