... in the video.3,Built-in GPS,3G wireless communication module,which achieve global positioning and real-time transmission video.4 ... ,It can be installed an external GPS tracker. Capturing images by GPS platform can reduce communication costs.5,H.264 ... , date, vehicle speed and license plate number in the video.http://www.fther.com.cn/userlist/fther/text-45688.htmlHere is the ...