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NetworkManager's ModemManager Now Speaks MBIM

Hardware

Published on 17 April 2013 11:38 AM EDT
Written by Michael Larabel in Hardware
7 Comments

ModemManager, the component of NetworkManager for dealing with mobile broadband devices and other modem hardware, now has support for the new MBIM protocol.

MBIM is short for the Mobile Broadband Interface Model and is a USB-based protocol for host/device connections of desktops/laptops/tablets/mobile devices. The MBIM 1.0 specification that was ratified in 2011 supports multiple IP connections per USB interface, power-friendly, enables device-agnostic mobile broadband class drivers, drops the need for AT-commands and other crude control channel mechanisms, and minimizes overhead.

Thanks to recent ModemManager work, MBIM is now supported. Features of this initial implementation cover PIN unlock/change/enable/disable capabilities, 3GPP modem support (GSM, HSPA, LTE, etc), and basic connectivity support. Not covered yet are most of the side-features like SMS messaging, location data, and other features.

Aside from needing the very latest Git master of ModemManager, a new FreeDesktop.org-hosted "libmbim" library is needed as well for this Mobile Broadband Interface Model support.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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