1. UMTS: 2100Mhz,EDGE: 850/900/1800/1900Mhz 2. Data transfer speed: 7.2Mbps ... Type: 3G: HSUPA, HSDPA, UMTS; 2G: GSM, GPRS, EDGENetwork mode: dual-modeFrequency: HSUPA / HSDPA / UMTS: 2100mhz GSM / GPRS / EDGE: 850/900/1800/1900Data Transfer Rate ...