telecommunications

US /ˌtel.ə.kəˌmjuː.nəˈkeɪ.ʃənz/
UK /ˌtel.ə.kəˌmjuː.nəˈkeɪ.ʃənz/
1.

viễn thông

communication over a distance by cable, telegraph, telephone, or broadcasting.

:
digital telecommunication has much to recommend it