| 摘要 |
A radio frequency (RF) based control system includes a master transmitter and a control device that utilize an RF distribution system, such as a master antenna television (MATV) system, to send remote control commands to remotely connected network devices. Each control command is addressed by group to reach several network devices at the same time or is addressed by a single device. The control system is configured to provide signaling in one direction, from the control device to the network devices. Status feed back is not provided by a network device to the control device. Each network device is a display device, such as a television. Alternatively, each network device is any device capable of being controlled be an external means.
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