This Huawei E5331 high speed dongle is a versatile and reliable mobile broadband device that allows you to connect to the internet wirelessly. It is compatible with 3G cellular networks and has a maximum LAN data rate of 100 Mbps, making it ideal for home networking and connectivity. The unit is unlocked . The dongle supports the Huawei brand,  model number of E5331. The device has a maximum wireless data rate of 100 Mbps and is perfect for use with computers, tablets, and other devices that require internet connectivity. I have not used this device myself, cannot see how or where to load a sim card. Please research for yourself if this is a suitable unit for your needs.