... with the MDM9200 chipset and supports Windows 7, Windows XP and Vista. It can tether up to 10 Wi-Fi ... of the same class. And MF91 supports system Win7, Windows XP, Vista, Mac OS .Network LTE--FDD/UMTS/EGPRS/GSM Dimensions 100mm × 58mm ... port, SIM socket, standard USIMOthersInternal AntennaExternal Antenna slot(2)OSWin7, Windows XP, Vista, Mac OS Latest ZTE MF91 4G LTE Router WiFi Hotspot