... Audio Real-time Transimission 3G Mobile DVR 1. 3G CommunicationWCDMA/HSPA, 850/1900/2100MHz, Uplink 7.2M bqs.Built-in 3G Antenna, FTP/PPPOE ... .2M Flash,128M DDR2. 23G CommunicationWCDMA/HSPA,850/1900/2100MHz, Uplink 7.2Mbps,built-in 3G antenna, FTP/PPPOE/DHCP/DDNS/NTP ... Support PC communication10GPSBuilt-in GPS,Support for video and photos embedded latitude and longitude. 11DisplayBuilt-in 1.77 inch TFT ...