A computer can conduct smooth network broadband connection under the condition that it is irradiated LED light, in the absence of network cable and built-in wireless port. The mystery of completing web browsing, video playback, and many other network functions lies in LED lights on the roof. According to experts, China Unicom network signal is transmitted to the computer through LED light. The maximum transfer rate measured in this way can reach 2 MW per second. In fact, technological breakthroughs have emerged in endlessly since the advent of LED concept. LED ligh...