Autonomous, small and easy to use. I purchased this case to combine with a package modulo Prixtel home so that my mother could read his emails anywhere on the tablet. Significant interest in relation to complete ISP offers, we pay only when used. Alongside this setup is easy (not for a novice) and the network pass perfectly even in the hole where she lives (not the ISP who have been all inclusive because it only covers dense areas ). In all cases given the occasional use of this box is cheaper than Domino, Nomad, Trotter Web or otherwise.