1,High speed UMTS modem 2,UMTS/HSDPA/HSUPA 2100/850 3,GSM/GPRS/EDGE, 850/900/1800/1900 4,HSDPA:7.2Mbps ... ,HSUPA: 5.76Mbps UMTS modemBrief description 3.5G HSDPA wireless modem Detailed profileGSM frequency: 850/900/1800/1900MHZ UMTS frequency: 2100MHz ... (HSDPA/WCDMA/EDGE/GPRS/GSM) HSDPA max. data transfer rate: downlink 7.2Mbps,uplink 384Kbps ...