... Main Features:1. 3G CommunicationWCDMA/HSPA, 850/1900/2100MHz, Uplink 7.2M bqs.Built-in 3G Antenna, FTP/PPPOE/DHCP/DONS ... DVR.6. GPS rea-time positioning function 1080P 3G DVR.7. Interphone, central broadcasting wireless 16G 3g DVR.8. Receive text ... Flash,128M DDR2. 23G CommunicationWCDMA/HSPA,850/1900/2100MHz, Uplink 7.2Mbps,built-in 3G antenna, FTP/PPPOE/DHCP/DDNS/NTP/UpnP3USIM ...