This device - a mobile router intended for distribution of the Internet and combining multiple devices to the network. It is relevant, if you have a devices that supports WIFI, but without the support of 3G \ LTE networks. The router itself is quite compact but contains built-in 1800mAh battery, which is enough for 4 hours of battery life or you can power the device from the charger using micro-USB. He is able to give out on Internet over Wifi getting it from RJ45 Lan port or get online using one WIFI network and spread it to other one, or the most popular option in the road - connecting 3G usb-modem (or iPhone) to the Internet and distribute it through WIFI. Wi-Fi speed in Hame MPR-A1 about 150Mbps. In addition, the built-in battery can be used to recharge your cellphone or other device powered by USB.