The community antennae were first set up by commercial operators who erected sensitive receiving equipment in high places to pick up the weak signals of the over-the-air stations, which they then amplified and fed into residents 'homes through cables.
事實上，社區共同天線原先僅是業者在高地架設強力天線，接收微弱訊號、放大處理，再用線纜傳送到住戶家中。