The Portable HSPA+ 21 Mbps Router (DWR-730) means that you can connect your notebook, tablet & smartphone to the Internet from anywhere there is a 3G connection & share this connection with other users wirelessly. This router is ideal for people that need a portable solution, for example remote workers or people that are moving house & need a temporary Internet connection. You can use this router to share your 3G connection wirelessly. The router will use an available 3G connection to provide a fast & secure Wireless N 150 network for several users at the same time. The device is small enough to fit in your pocket: the rechargeable Li-ion battery means that you can take it with you anywhere & surf the Internet, & if you need to recharge it, you can do it easily with any USB (Universal Serial Bus) wall or car charger. The DWR-730 supports the latest High Speed Packet Access Plus (HSPA+) technology, which offers data rates of up to 21.6 Mbps (5.76 Mbps upload) & helps to reduce latency. This router is also backwards compatible with mobile networks implementing HSUPA & HSPDA technologies. It may be small but it can keep your wireless connection as secure as if you were connected through your home network. Its built-in firewall prevents potential attacks & hacking attempts from the Internet, & with WPA2 encryption, you can be sure that you are sharing your 3G connection only with the users you want to.