- USB Modem ( USB 2.0 compatible with USB 1.0/ 1.1) - CDMA 1X Frequency RTT 800MHz ( Single Band Mode) - CDMA 1X EVDO Frequency RTT 800/ 1900MHz ( Dual Band Mode) - Miniature Internat Antenna ( Support External Antenna) - MicroSD Card Reader Slot - Voice and SMS Through Computer/ Notebook - Support R-UIM