The HP un2420 EV-DO/HSPA Mobile Broadband Module is a WWAN module for select HP notebooks that, after installation, provides connection to and permits roaming on wireless networks in many countries worldwide. - Multi-mode broadband solution that can support both GSM & CDMA networks, allowing you to choose the service provider that works best for you. - No protruding PC cards that can damage the notebook - Connect easily with preloaded HP Connection Manager software - Enhance security by avoiding connections at hotels, airports and hotspots and with built-in support for VPN applications - Not supported on HP Mobile Workstations (8730w) with Dream Color Panel option