... 5,WIF802.11b/g Wireless local area network FEATURES,1,7-inch hd LCD screen2,RK2818, dual-core processor,3D speed up3 ... interested,please feel free to contact us. SeriesmodeldescriptionGPS-MID seriesR503G(new style without 3G)ultra-thin 5-inch resistive touch screen ... ultra-thin 7-inch resistive touch screen LCDPK-metal seriesR701(new style)Aluminium magnesium alloy enclosure, ultra-thin 7-inch resistive ...