At present, wideband data broadcasting system based onHFC(Hybrid Fiber Coax) having been greatly developed for the value-addeddigital service of radio and television systems and telecommunications. h1chbrings new hope to IT industry.

• 目前基于HFC（Hybrid Fiber Coax）的宽带数据广播作为广电、电信的数据服务增值业务正处于蓬勃发展的阶段，它为整个信息行业带来了新的机遇和希望。