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  2. Vietnam Television Network - Wikipedia

    en.wikipedia.org/wiki/Vietnam_Television_Network

    Vietnam Television (Vietnamese: Đài Truyền-hình Việtnam, [1] [2] abbreviated THVN [3]), sometimes also unofficially known as the National Television (Đài Truyền-hình Quốc-gia [1]), Saigon Television (Đài Truyền-hình Sàigòn [1]) or Channel 9 (Đài số 9, THVN9), was one of two national television broadcasters in South Vietnam from February 7, 1966, until just before the ...

  3. List of VTV dramas broadcast in 2025 - Wikipedia

    en.wikipedia.org/wiki/List_of_VTV_dramas...

    / Trần Bảo Nam, Phương Linh, Nhật Minh Cameo: Đàm Khánh Linh: Đi một đường, về hai hướng (One Way Go, Two Ways Back) & Tìm về (Find the Way back) & Hoa dại khờ (Foolish Flowers) by Hương Ly & Tiến Minh: Romance, Family, Drama, Youth Based on Chinese drama Go Ahead (HunanTV 2020). Formerly: Lấy danh nghĩa ...

  4. One-way voice link - Wikipedia

    en.wikipedia.org/wiki/One-way_voice_link

    A one-way voice link (OWVL) is typically a radio based communication method used by spy networks to communicate with agents in the field typically (but not exclusively) using shortwave radio frequencies. Shortwave frequencies were and are generally highly preferred for their long range, as a communications link of 1200 km is easily possible.

  5. Police radio - Wikipedia

    en.wikipedia.org/wiki/Police_radio

    Police radio is a radio system used by police and other law enforcement agencies to communicate with one another. Police radio systems almost always use two-way radio systems to allow for communications between police officers and dispatchers .

  6. Radiotelephone - Wikipedia

    en.wikipedia.org/wiki/Radiotelephone

    A radiotelephone (or radiophone), abbreviated RT, [1] is a radio communication system for conducting a conversation; radiotelephony means telephony by radio. It is in contrast to radiotelegraphy , which is radio transmission of telegrams (messages), or television , transmission of moving pictures and sound.

  7. Two-way radio - Wikipedia

    en.wikipedia.org/wiki/Two-way_radio

    Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...

  8. List of television channels in Vietnam - Wikipedia

    en.wikipedia.org/wiki/List_of_television...

    Radio channel with special pictures of revolutionary music, in cooperation with Hanoi Cable Television (Hanoicab), broadcast from 2014 to 2018. Nhạc Dân tộc Ethnic music Radio channel with special pictures about ethnic music, in cooperation with Hanoi Cable Television (Hanoicab), broadcast from 2014 to 2018. Nhạc trẻ Children's music

  9. Secret broadcast - Wikipedia

    en.wikipedia.org/wiki/Secret_broadcast

    In the mid-20th century, the High Frequency radio bands were used by numerous stations sending seemingly random Morse code, usually in five-letter groups. As more advanced communications methods, such as teleprinter and satellite, took over, the number of such stations diminished, but another type appeared that transmitted spoken and also seemingly random number and letter groups, the latter ...