Do you own a 42Mbps usb modem for mobile network? Sierra aircard 312U modem is the greate 41Mbps modem till now.
Now let’s go to the mysterious world of Sierra Aircard 312U.

Sierra Wireless AirCard 312U is the first modem supporting speeds of up to 42 Mbps. It operates on Dual Carrier HSPA+ networks; the fastest carrier speeds to date, and is also backwards compatible with earlier HSPA technologies so you can work without interruption virtually anywhere you go. Connect your computer to check email, deliver web seminars, and query ERP / CRM applications, or video conference with your team.
The highlights of Sierra Aircard 312U is not only at downlink speed, but also at two other points, folding usb design, supporting external antenna. Folding usb design makes it save space when necessary, and there are two ports which could support two external antenna when you are at signal low-coverage even though it has already been built in antenna. Below is the picture guiding you to process.