... function of A31 is supporting Wireless remote control, like 3G, GPRS, Internet communication. when plug 3G SIM ... colorstorage500MBgrey level4096LED module's modeoutdoor and indoorcommunication typeIntegrates wireless modem, supporting network and USB portaudioOptionaldisplay on ... data pictures :card picture: led wireless controller for full color modules, supporting 3G, GPRS and Internet communication