The D-Link 3.75G Mobile Router allows users to access worldwide mobile broadband networks. Once connected, users can enjoy data transmission and media streaming on-the-go. Simply insert your SIM card and share your 3.75G Internet connection through a secure wireless network. Multifunctionality. The 3.75G Mobile Router can be configured to work as a Wi-Fi router or 3.75G modem with the flip of a switch. Share Internet connectivity with your colleagues or family while travelling or at work. Connect the D-Link 3.75G Mobile Router to a PC to enjoy personal access to the Internet. Keep your wireless network safe with WPA/WPA2 wireless encryption. The DWR-530 utilizes a built-in firewall to prevent potential attacks across the Internet.