TP-Link M5360 Mobile MIFI Wireless Router with Power Bank (WiFi Hotspot, 5200mAh internal battery, SIM card slot, OLED display, microSD card slot, HSPA +, 3G) (optional)
From because of professional equipment. If you want to do something else with the Teil as surfing and e-mails, that's it. The software is extremely poor. The switch from 3G to 2G works for my device not good. Only long after 3G has no reception, the