band 850/900/1800/1900/2100 MHz Wireless bearers HSUPA/HSDPA/UMTS (WCDMA/FDD) 850/1900/2100 MHzHSUPA: up to G2150 uplink . HSDPA: up to 7.2Mbps Category 7 & 8 3.6Mbps Category 5 & 6 1.8Mbps Category 1-4, 11 & 12 UMTS: up to 384Kbps downlink, 384Kbps uplink . EDGE (E-GPRS) multislot class 12 (4 slots RX,4 slots TX )up to 247Kbps downlink, GPRS multislot class 10 SMS, text/data messaging Built-in Wi-Fi 802.11b/g router up to 54Mbps USB port for future use.