The MMX 400R is both a wireless router and Wi-Fi hotspot. It amnages multiple roles and effortlessly as it manages multiple devices. Since its independent of operating systems, its easy to use; just plug it and you're good to go! Portable and handy, it provides high speed Internet with secured access to any Wi-Fi device within 10 meters. And its litium ion battery provides working power for up to four hours, whihc means you'll run out of sites to surf before it runs out of energy.