The Tiitan-TS-UM2204 HSUPA USB dongle features a Qualcomm MSM 7200 chipset, supports HSUPA/UMTS 2100MHz, EDGE, GPRS, and GSM 850/900/1800/1900MHz, offers maximum data rates of 7.2Mbps download and 5.76Mbps upload, comes with Plug & Play auto installation, a micro-SD slot expandable up to 32GB for use as a memory stick, UMTS/GSM internal antenna, supports phonebook, SMS, USSD, and voice calls, and is compatible with Windows 2000, XP, Vista, 7, 8, Ubuntu 12.04, and Mac OS X 10.9 or later.