WiFi Range Extender Speed up to 300Mbps Unlocked for any Global GSM Carrier, in the operating frequencies supported, with a data broadband activated Sim card HSPA/UMTS 2100 / 1900 / 850MHz EDGE/GPRS/GSM 850 / 900 / 1800 / 1900MHz Support 7.2Mbps HSDPA services Support 5.6Mbps HSUPA services Voice & SMS Support. Micro SD Support (Up to 4GB) Sim card and Micro SD cards are not included. Windows XP / VISTA / Windows 7 OS :Mac OS X 10.5 or higher (only support INTEL platform)