... module helps achieve GPRS/3G long-distance real-time traffic information. 3.Equipping with intelligent control system, ... lots, pedestrian streets, intersections, electric power dispatch center, traffic command center, the military command center, space monitoring center, ... Specification P25 Item 1 ---LED Chip Brand Epistar ,Opto , Cree , Nichia Country of Origin Taiwan. United States. Japan Span ...