The HP un2400 EV-DO/HSDPA Mobile Broadband Module is an integrated WWAN module for select HP notebooks that provides connection to and permits roaming on wireless networks in many countries worldwide. With an HP Mobile Broadband enabled notebook and wireless carrier service, you can check e-mail, browse the Internet, and connect to corporate networks from anywhere within the coverage area-whether you are stationary or on the go. Begin to enjoy the freedom of connecting in more places, the speed of broadband, the coverage of 3G networks, and the security, reliability, and ease of use of HP business notebooks today.