How can we establish data connection for cellular modules in Windows 8 and Windows 10 systems?
Question: How can we establish data connection for cellular modules in Windows 8 and Windows 10 systems?
Solution: Microsoft Windows desktop versions starting from Windows 8 and newer have built in data connection manager for WWAN, Wifi etc. that can be used to configure, control and establish the data connection of cellular module that support MBIM interface, which most cellular modules do. The connection man..
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USB pin-out schematics for product 10610 MiniPCIe to USB 4 pin cable
Question: How is the schematics for the USB pin connector of product 10610 miniPCIe to USB 4 pin cable?
Solution: Please refer to attached image, the pins of the USB board are in the following order: Ground Data + Data - +5V DC
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How do I send AT commands to the serial interface for cellular modules in Windows systems?
Question: How can I send AT commands to the serial interface for cellular modules in order to acquire status messages and change configurations etc.?
Solution: When module drivers are installed correctly in your host system, you can find several serial ports in Windows device manager. The AT-commands are sent to the specific serial port meant for modem connection or AT-commands specific. The serial port names are the following depending on manufacturer ..Read more »
Requirements and steps needed to get end-devices certified for US network operator AT and T when pre-certified module is used
Question: What requirements and steps are needed to get our end-devices certified for US network operator AT&T when it consists of a pre-certified cellular module inside?
Solution: The AT&T Certification consists of the following components bellow where the major part is end device FCC and PTCRB certification. For latest details regarding certification and requirements, please see: iotdevices.att.com/networkready AT&T Certification • Pre-Requisites to enter lab for..Read more »
Why is there no serial interface for AT-commands available in Microsoft Windows 8/10?
Question: Why is there no serial interface for AT-commands available in Microsoft Windows 8/10 and newer, while in Windows 7 all the traditional module serial interfaces are available?
Solution: Microsoft demands cellular module vendors to use the Mobile Broadband Interface Model (MBIM) interface for signaling in newer operating systems like Windows 8 and 10 rather than the previous serial based control channels with AT commands. The serial ports are phased out and enumeration in the host..Read more »
The M.2 to miniPCIe adapter with SIM-slot doesn't fit in all host systems, why?
Question: The M.2 to miniPCIe adapter with SIM-slot doesn't fit in all host systems, why?
Solution: Some host systems miniPCIe sockets are not compatible with the design of this adapter, this because the SIM card holder situated on the underside of the adapter circuit card close to where the hosts miniPCIe socket connects can short circuit the socket wires in some variants of miniPCIe slots. Plea..Read more »
How can we use the Huawei ME909s series modules with dual Ethernet interfaces and separate APNs in parallel?
Question: How can we use the Huawei ME909s series modules with dual Ethernet interfaces and separate APNs in parallel?
Solution: The Huawei ME909s series modules can now support dual APN and dual ECM network interfaces starting from firmware version 11.617.06.00.00. This gives the host systems the ability to separate the IP traffic for dedicated services or use cases. A SIM subscription supporting separate active APN conne..Read more »
Multiple network devices are shown in Windows system for my Sierra Wireless MC74-, EM74-series cellular module
Question: Windows system show multiple network devices for my Sierra Wireless MC74-, EM74-series cellular module
Solution: Sending the following AT Commands to the modules MODEM Serial COM port interface will change the USB profile for exposed interfaces towards host system. Setting for DIAG, NMEA, MODEM, RMNET0 interface: (Linux - QMI with one network interface) 1. AT!ENTERCND=”A710” 2. AT!USBCOMP=1,1,10D 3. AT!RE..Read more »
How to capture DM serial port logs for Sierra Wireless EM/MC series cellular modules in Linux systems?
Question: How can we capture DM serial port logs for Sierra Wireless EM/MC series cellular modules in Linux?
Solution: In the Sierra Wireless QMI SDK downloadable archive there is a a DM log tool in the tools folder. Run the dmcapture.sh script with desired filter, and the ttyUSB0 (DM port) device selected. E.g. like this: sudo ./dmcapture.sh -l -d /dev/ttyUSB0 -o testlog -f ./filters/v11026_Generic_GSM_WCDMA_LTE_..Read more »
How can I enable DC voltage output for active GPS/GNSS antennas on modules that support this feature?
Question: How can I enable DC voltage output for active GPS/GNSS antennas on modules that support this feature?
Solution: This is enabled by the following AT commands: For Sierra Wireless EM/MC74 series (Output: 3.15V): AT!ENTERCND="A710" AT+WANT=1 For Sierra Wireless MC73 series (Output: 3.15V): AT!ENTERCND="A710" AT+WANTGNSSPWR=1 For Simcom (Max output 61*50mV = 3.05V): AT+CVAUXS=1 AT+CVAUXV=61Read more »