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Radio communication service

service…involving the transmission, emission and/or reception of radio waves for specific telecommunication purposes

Pronunciation
/ˈreɪdioʊ kəˌmjunəˈkeɪʃən ˈsərvəs/
/ˈreɪdɪəʊ kəmjuːnɪˈkeɪʃən ˈsəːvɪs/
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