Internet Key K3715 Specifiche HSDPA / UMTS Bual band Band of operation: 2100 MHz/900MHz Power Class 3 (+24 dBm) Compliance with 3GPP TS 25.101 (R6) UMTS CS: UL 64 kbps / DL 64 kbps; UMTS PS: UL 384 kbps / DL 384 kbps; UL HSUPA / DL HSDPA: UL 2 Mbps / DL 7,2 Mbps. HSUPA/HSDPA/UMTS SMS service SIM standards EDGE / GPRS / GSM Quad band operation GPRS class 12 GSM/GPRS 850/900 MHz: Power Class 4 (+33 dBm) GSM/GPRS 1800/1900 MHz: