Ultra-fast 4G Hotspot Stay connected wherever you are with Huawei E5577C 4G device. A superb travel companion with ultra-fast download speeds reaching up to 150 Mbps. Get Lost in the Wilderness Receive more power while consuming less energy. An intelligent power management system makes your '1500 m Ah' battery last for up to 6 hours. Grab a Coffee with a Slice of Wi-Fi Work, play & share all day long with Huawei E5577C. The enhanced hotspot allows you & others to connect 10 Wi-Fi enabled gadgets. Specifications Battery Capacity:1500 m Ah Operating Time:6 Hours Download Speed:150 Mbps Upload Speed:50 Mbps Connected Devices:10 Operating System: Windows Vista SP1, SP2/ XP SP3/ Windows 7, 8, 8.1/ MAC OS X 10.7, 10.8, 10.9 Main Antenna: LTE, UMTS, GSM/ Diversity Antenna: LTE, UMTS/ Built-in WLAN Antenna Unlocked: Yes