telecommunication

noun3

1. •
   The science and technology of the communication of messages over a distance using electric, electronic or electromagnetic impulses.
2. •
   [in the plural] Systems used in transmitting such signals.

   • A part of the nervousness at Chelsea involves whether any more sponsors will follow the telecommunications and internet service provider Three in withdrawing support, at least temporarily. — 2022
3. •
   A message so transmitted.