Huawei Laptopi-Fi E3531/I The Huawei Laptopi-Fi E3531 has been specially designed to give you a seamless Internet browsing experience. With this datacard, you can experience an amazing download speed of 21.6 Mbps HSPA+ and upload speed of HSUPA 5.76 Mbps. The E3531 comes with Micro-SD card slot that makes it the most modern connectivity solution. Features HSPA+ 21.6 Mbps (DL), HSUPA 5.76 Mbps(UL) Create Wi-Fi hotspot and connect upto 5 devices Quick Start and MicroSD card support Voice Call and SMS Plug & Play