Pertaining to the needs of commercial and residential complexes , this retraining course enables the retrainee to acquire the fundamental practical skills in security and property management , alongside with the knowledge and attitudes required for the position , thereby increasing the employability of the retrainee within relevant trades 保安及物业管理课程就商厦及屋苑之需要，让学员掌握保安与物业管理行业的基本实务技能，认识应有的工作知识与态度，从而协助学员入职有关工作。
As dab system serves an area by using one single frequency network ( sfn ) , more radio services are available alongside with data and pictures transmissions . this significantly expands the number of channels and allows for a more efficient use of the available spectrum as well as more interactions with audience 由于数码声音广播支援单频网络的运作，即全港均用单一频率发射及接收，可以大幅节省频谱，从而提供更多电台服务，以及传输数据和影像等；由于更有效运用广播频谱，电台频道数目将可倍增，而服务也可多元化。
