... support 800,900 and 1800MHz, NAT Router Function, No Need of Background Computer Features:GPRS Wireless Router Frequency: 800, 900 and ... -time clockCommunication effect relies on the construction of the GPRS networkStable data transmission with large quantity and high speedTransparent ... Maximum: 300mA at +5V DCStandby: 120mA at +5V DCRJ45 and GPRS antenna interfaceTCP, UDP, IP, ICMP, PPP, PAP and DNS ...