The Tosibox 100 lock and key is a network device that enables easy and robust remote connections even without landline connections. Tosibox is as well suited for remote controlling devices with Tosibox key as building M2M VPN networks by connecting several Tosibox locks and Tosibox central locks together. Possible usage scenarios include CCTV and sensor networks and remote maintenance of industrial equipment. Tosibox lock can also be used to allow employees a secure access to a network share