The HP un2420 Mobile Broadband Module Ethernet Adapter is a device used in some HP laptops (and possibly other devices) to provide mobile broadband (WWAN) connectivity. It allows your laptop to connect to mobile networks (such as 3G or 4G LTE) via a SIM card, functioning as a mobile hotspot or data connection adapter. The "Ethernet Adapter" part in the name indicates that it appears as a network adapter in Windows, which is responsible for handling the internet connection via mobile broadband.
HP un2420 Mobile Broadband Module Ethernet Adaptor drivers / Hewlett-Packard HP Pavilion Dm4 Notebook PC
Device Name:
HP un2420 Mobile Broadband Module Ethernet Adaptor
Hardware ID:
USB\VID_03F0&PID_251D&REV_0002&MI_00
USB\VID_03F0&PID_251D&MI_00 <---- Device ID matches with our database
Compatible IDs:
USB\CLASS_FF&SUBCLASS_FF&PROT_FF
USB\CLASS_FF&SUBCLASS_FF
USB\CLASS_FF
This download provides HP un2420 Mobile Broadband Module Ethernet Adaptor driver and is supported on Hewlett-Packard HP Pavilion Dm4 Notebook PC that is designed to run on Windows Operating System Only.
Operating System:
2K,XP,2K3,VISTA,WIN7/32bits
XP,VISTA,WIN7/64bits
Manufacturer:
Qualcomm Incorporated
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HP un2420 Mobile Broadband Module Ethernet Adaptor
USB\VID_03F0&PID_251D&MI_00