The USB-IF has announced the release of the Mobile Broadband Interface Model (MBIM) 1.0 Specification.

Developed under the USB-IF by technology companies, MBIM 1.0 is a USB-based protocol for host and device connectivity for desktops, laptops, tablets and mobile devices. The specification supports multiple generations of GSM and CDMA-based 3G and 4G packet data services including the recent LTE technology.

MBIM 1.0 Specification Features:

- Supports multiple IP connections per a single USB interface
- Enables flexible, efficient and lower cost device implementations
- Supports power-friendly implementations in diverse operating systems
- Enables implementation of device-agnostic mobile broadband class drivers in diverse operating systems for desktops, laptops, tablets and mobile devices
- Replaces cumbersome control channel mechanisms, such as AT-commands
- Minimizes overhead and improves data transfer efficiency by sending raw IP frames, eliminating the need for Ethernet headers

MBIM 1.0 is posted at http://www.usb.org/developers/devclass_docs#approved under Communications Device Class.