Features: brand new and high quality Plug & for Play;Please use your Micro SIM card in the MF79U TDD-LTE MF79U Wingle is not only a 4G modem, it can work like a WiFi router, its function is very similar to E8372 wifi modem. Usually no antenna is needed, but when installing the antenna, be careful not to use too much force to avoid damage to the antenna connector !!! When plug it to a power adapter or mobile power. It could broadcast Wi-Fi signal and allow you to securely connect up to 10 devices, including tablets, computers, mobile phones and gaming devices, to the 4G mobile network When you're on the move via Wi-Fi and 1 via USB interface. The actual Wi-Fi support is 802.11 b/g/n, up to 10 devices. Specifications: LTE speed up: to 150Mbps LTE Category 4 Stick Wifi 802.11 b/g/n, 2.4GHz, 150Mbps, 10 users supported Technology LTE-FDD/UMTS/GSM LTE Band B1/B3/B7/B8/B20 800/900/1800/2100/2600MHZ UMTS 2100/900Mhz LTE Download speed to 150Mbps/Upload speed to 50Mbps 3G UMTS Download speed to 43.2Mbps/Upload speed to 5.76Mbps External antenna slot: two TS-9 Sim card: for nano sim card Memory card expansion: 32 GB Dimensions: 101.6x31.7x14mm Supported operating systems: WindowsXP, Vista, for Windows 7/8, Linux Sizeapprox 15x7x4cm/5.9x2.75x1.57in Package Includes: 1 PC x Wifi Router note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2cm differences due to manual measurement.