敵臺 [敌台]

Jyutping dik6 toi4
Pinyin dí tái

Definitions (CC-CEDICT)
  1. defensive tower
  2. lookout tower
  3. enemy radio station
Definitions (Wiktionary)
  1. noun
    enemy broadcasting station
  2. noun
    watchtower (e.g. on the Great Wall of China, as part of the capital city wall, etc.)