常見問題
MBPW (Moblie Broadband Package of Windows)
MBPL (Moblie Broadband Package of Linux)
MBPA (Moblie Broadband Package of Android)
Please contact with vince.lai@inno-great.com to have the latest version of above drivers.
Linux drivers of Sierra modules
EM74 Series, EM75 Series, EM91 Series, and EM7690.
Download the MBPL_DRIVERS_R32_ENG2-usb-src.tar from the following link:Mobile Broadband Package for Linux (SDK, Drivers, Documentation)
EM7590 modules uses the following Linux open source drivers:
•QMI_WWAN driver
Used by RmNet data and control driver
Patch required — EM7590 qmi_wwan patch
Qualcomm USB serial port used by the Modem AT command port, diagnostic DM serial port, and NMEA GPS port
Patch required — EM7590 qcserial patch
EM7590 modules also use the following libraries for the user space control application:
The following EM7590-specific documentation for libQMI is available:
What is AT Command?
An AT Command (short for Attention Command) is a standardized instruction set used to control modems, wireless modules, and communication devices. These commands allow a computer, microcontroller, or system to configure, query, and operate a communication module.
How to use AT Command for Celluar Modules?
EM73/MC73/EM74/MC74/EM74x1/MC74x1/EM75/EM759x/RC76/WP76/
1. Open "Device Manager" to check the "Modem COM Port" Number.
2. Open Modem COM Port via Terminal tools, such as Tera Term, Putty, etc.
3. Demo with Tera Term. For COM5
Special setting for EM91/EM7690
1. For MBPW Release 31 or newer, please add "EnableUDE=1" in configuration.ini, then install the driver.
2. Follow the steps above to send AT Command
How to Enable/Disable Serial ports for EM74 Series and EM75 Series on Windows?
•Enable serial ports if the ports are hidden.
•Add "USBCOMP=8" in Configuration.ini, then install the driver.
•Disable serial ports if the ports are shown. (MBIM net adapter only)
•Don’t do anything, then install the driver by default
What is NMEA port?
A NMEA port is a serial communication port designed to transmit marine navigation and sensor data using NMEA 0183 or NMEA 2000 protocols.
How to enable NMEA port for SDX55 chipset on Windows (EM91 Series/EM7690)?
1. Add "NMEAVSPDRIVER=1" in configuration.ini, then install the driver.
2. Virtual NMEA port would be found in the Device Manager.
