... GSM, GPRS,EDGE and UMTS (HSUPA)Visual Indicator(LED):One RGB LED indicator for different stateSupported for :Zero-CD installation, ... up to 7.2M bps DL,category 7/8 UMTS: up to 384 Kbps DL and UL EDGE:3GPP Release4, ... class 12, up to 237 Kbps DL and 118Kbps UL GPRS:GPRS Multislot class 10, up ... to 85,6 Kbps DL and 42,8 Kbps UL OS Supported: Windows 2000, ...