In wireless condition, currently using Solar road stud technology mainly has: the closed loop control mode, interlock, short cycle embedding three control modes, yellow solar flashing warning light the past domestic already possesses the technology is mainly closed loop control mode, the way is to set up a main control wireless emission source rotating beacon light, setting a receiver in Solar road stud last, through the wireless transmitting source to control its coverage area of solar synchronous spike work, the way to control the radius at present usually within 50 to 150 meters, long distance to achieve synchronization costs are very high and it is difficult to realize long distance with step. Solar Warning Light At the same time, the Solar road stud also limited transmit power to the radio frequency resources and main control emission source.
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