What is m-center and why you need it
If you are working with u-blox cellular modules, you might be wondering how to evaluate, configure, and test them easily and efficiently. You might also be interested in learning how to use AT commands, manage SIM cards, communicate with GNSS modules, and perform traces. If so, you need m-center.
m-center is a cellular evaluation software for Windows that allows you to interact with u-blox cellular modules using a graphical user interface (GUI). It is a powerful and easy to use tool that provides access to the main functionality and configuration parameters of u-blox cellular modules. It also helps you learn AT commands using the GUI interfaces thanks to the embedded AT Terminal.
m center 3.0 download
m-center is available free-of-charge from the u-blox website. It supports various u-blox cellular modules, such as GSM/GPRS/UMTS/LTE modules. It also allows for simple communication with u-blox GNSS modules when using u-blox cellular evaluation kits.
In this article, we will show you how to download and install m-center 3.0, the latest version of m-center, and how to use it to evaluate, configure, and test u-blox cellular modules. We will also discuss the benefits and limitations of m-center 3.0 compared to other cellular evaluation software.
How to download and install m-center 3.0
To download and install m-center 3.0, you will need the following requirements:
A Windows PC with Windows XP or later
A USB cable or a serial port cable
A u-blox cellular module or a u-blox cellular evaluation kit
A SIM card (optional)
Once you have these requirements, you can follow these steps:
Go to the u-blox website and navigate to the Product Selector page.
Select m-center from the list of products and click on Download.
Choose the appropriate version of m-center for your PC (32-bit or 64-bit) and save the zip file.
Extract the zip file to a folder on your PC.
Run the setup.exe file and follow the instructions to install m-center 3.0.
Connect your u-blox cellular module or evaluation kit to your PC using the USB cable or the serial port cable.
Launch m-center 3.0 from the Start menu or the desktop shortcut.
Select the COM port that corresponds to your u-blox cellular module or evaluation kit from the drop-down menu at the top left corner of the m-center window.
Click on Connect to establish communication with your u-blox cellular module or evaluation kit.
How to use m-center 3.0 to evaluate, configure, and test u-blox cellular modules
Once you have connected your u-blox cellular module or evaluation kit to m-center 3.0, you can use the various interfaces and tabs to evaluate, configure, and test its functionality and performance. In this section, we will give you an overview of the main functionalities and configuration parameters of m-center 3.0 and how to access them.
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How to access the AT Terminal and send AT commands
The AT Terminal is the interface that allows you to send AT commands to your u-blox cellular module or evaluation kit and receive responses. AT commands are a set of instructions that control the operation and configuration of cellular modules. You can use AT commands to perform various tasks, such as querying the module status, setting network parameters, enabling data services, and more.
To access the AT Terminal, click on the AT Terminal tab at the top of the m-center window. You will see a text box where you can type your AT commands and a text area where you can view the responses. You can also use the buttons below the text box to send predefined AT commands, such as AT+CGMI (request manufacturer identification), AT+CGMM (request model identification), AT+CGSN (request product serial number), and more.
To send an AT command, type it in the text box and press Enter or click on Send. You will see the response from your u-blox cellular module or evaluation kit in the text area. The response will usually start with OK, ERROR, or +CME ERROR, indicating whether the command was executed successfully or not. You can also see additional information or data depending on the command.
For example, if you type AT+CSQ (query signal quality) and press Enter, you might see a response like this:
+CSQ: 17,99 OK
This means that the command was executed successfully and that the signal quality is 17 (on a scale from 0 to 31) and that the bit error rate is not known (99).
You can find a list of all the supported AT commands for your u-blox cellular module or evaluation kit in the corresponding AT Commands Manual. You can also use the Help button in the AT Terminal interface to access online documentation for m-center 3.0.
How to view and edit SIM phonebook entries, send text messages, and make calls
The SIM Management interface allows you to view and edit SIM phonebook entries, send text messages, and make calls using your u-blox cellular module or evaluation kit. To access the SIM Management interface, click on the SIM Management tab at the top of the m-center window. You will see three sub-tabs: Phonebook, SMS, and Call.
The Phonebook sub-tab shows you a list of all the phonebook entries stored on your SIM card. You can use the buttons below the list to add, edit, delete, or import phonebook entries. You can also search for a specific phonebook entry by typing its name or number in the search box.
The SMS sub-tab allows you to send and receive text messages using your u-blox cellular module or evaluation kit. You can use the buttons below the text area to compose, send, receive, delete, or import text messages. You can also select a phonebook entry from the list to fill in the recipient number automatically.
The Call sub-tab enables you to make and receive voice calls using your u-blox cellular module or evaluation kit. You can use the buttons below the text area to dial, answer, hang up, or reject calls. You can also select a phonebook entry from the list to fill in the dial number automatically.
How to communicate with u-blox GNSS modules using m-center 3.0
The GNSS interface allows you to communicate with u-blox GNSS modules using m-center 3.0 when using u-blox cellular evaluation kits. GNSS modules are devices that receive signals from global navigation satellite systems (such as GPS, GLONASS, Galileo, etc.) and provide positioning information. You can use GNSS modules to enhance your cellular applications with location-based services.
To access the GNSS interface, click on the GNSS tab at the top of the m-center window. You will see four sub-tabs: NMEA Messages, UBX Messages, AssistNow Online/Offline/AGNSS/CellLocate, and Map View.
The NMEA Messages sub-tab shows you a list of all the NMEA messages received from your u-blox GNSS module. NMEA messages are a standard format for communicating positioning information between GNSS devices[^4^ ). You can use the buttons below the list to start, stop, or clear the NMEA messages. You can also select a specific NMEA message type from the drop-down menu to filter the list.
The UBX Messages sub-tab allows you to send and receive UBX messages to and from your u-blox GNSS module. UBX messages are a proprietary format for communicating configuration and status information between u-blox devices. You can use the buttons below the text area to load, send, receive, or clear UBX messages. You can also select a specific UBX message class and ID from the drop-down menus to filter the text area.
The AssistNow Online/Offline/AGNSS/CellLocate sub-tab enables you to use various assisted GNSS services provided by u-blox to improve the performance and accuracy of your u-blox GNSS module. AssistNow Online is a service that provides real-time assistance data via an internet connection. AssistNow Offline is a service that provides long-term assistance data via a file download. AGNSS is a service that provides assistance data via cellular networks. CellLocate is a service that provides location information based on cellular network data. You can use the buttons below the text area to enable, disable, or configure these services.
The Map View sub-tab displays a map showing the current position of your u-blox GNSS module based on the NMEA messages received. You can use the buttons below the map to zoom in, zoom out, center, or refresh the map. You can also see additional information such as latitude, longitude, altitude, speed, course, and time on the right side of the map.
How to restore factory default settings and perform traces using m-center 3.0
The Restore Defaults interface allows you to restore the factory default settings of your u-blox cellular module or evaluation kit. This can be useful if you want to reset your device to its original state or if you encounter any problems with your device. To access the Restore Defaults interface, click on the Restore Defaults tab at the top of the m-center window. You will see a button that says Restore Factory Defaults. Click on it and confirm your action to restore your device to its factory default settings.
The Trace interface allows you to perform traces using your u-blox cellular module or evaluation kit. Traces are a way of monitoring and debugging the communication between your device and the cellular network or the GNSS satellites. You can use traces to analyze and optimize the performance and functionality of your device. To access the Trace interface, click on the Trace tab at the top of the m-center window. You will see four sub-tabs: Trace Configuration, Trace Control, Trace View, and Trace Analysis.
The Trace Configuration sub-tab allows you to configure the trace parameters for your device. You can select the trace level (from 0 to 7), the trace port (from COM1 to COM255), and the trace format (binary or text) from the drop-down menus. You can also select which trace groups (such as GSM/GPRS/UMTS/LTE/GNSS) and which trace classes (such as protocol/network/application) you want to enable or disable from the check boxes.
The Trace Control sub-tab allows you to start, stop, pause, resume, or clear traces using your device. You can use the buttons below the text area to control traces. You can also see the status of traces (such as running, stopped, paused) and the number of trace messages received on the right side of the text area.
The Trace View sub-tab allows you to view traces using your device. You can see a list of all trace messages received from your device in chronological order in the text area. You can also filter trace messages by trace group or trace class using the drop-down menus. You can also search for a specific trace message by typing a keyword in the search box.
The Trace Analysis sub-tab allows you to analyze traces using your device. You can see a graphical representation of various trace parameters (such as signal strength, network registration, data throughput, etc.) in real-time in different charts. You can also export trace data to a CSV file for further analysis using external tools.
Benefits and limitations of m-center 3.0
m-center 3.0 is a useful and convenient tool for evaluating, configuring, and testing u-blox cellular modules. It has several benefits compared to other cellular evaluation software:
It is free-of-charge and easy to install and use.
It supports various u-blox cellular modules and evaluation kits with different technologies (such as GSM/GPRS/UMTS/LTE).
It provides access to all functionality and configuration parameters of u-blox cellular modules using a graphical user interface.
It helps you learn AT commands using the embedded AT Terminal and the predefined buttons.
It allows you to manage SIM cards, send text messages, and make calls using the SIM Management interface.
It enables you to communicate with u-blox GNSS modules using the GNSS interface when using u-blox cellular evaluation kits.
It offers various assisted GNSS services (such as AssistNow Online/Offline/AGNSS/CellLocate) to improve the performance and accuracy of u-blox GNSS modules.
It allows you to perform traces using your device and analyze them using the Trace interface.
However, m-center 3.0 also has some limitations that you should be aware of:
It only works on Windows PCs and does not support other operating systems (such as Linux or Mac OS).
It only supports u-blox cellular modules and evaluation kits and does not work with other cellular devices.
It requires a USB cable or a serial port cable to connect your device to your PC and does not support wireless connections (such as Bluetooth or Wi-Fi).
It does not provide advanced features or customization options that might be available in other cellular evaluation software (such as scripting, logging, debugging, etc.).
Conclusion
m-center 3.0 is a cellular evaluation software for Windows that allows you to interact with u-blox cellular modules using a graphical user interface. It is a powerful and easy to use tool that provides access to the main functionality and configuration parameters of u-blox cellular modules. It also helps you learn AT commands, manage SIM cards, communicate with GNSS modules, and perform traces.
In this article, we showed you how to download and install m-center 3.0 and how to use it to evaluate, configure, and test u-blox cellular modules. We also discussed the benefits and limitations of m-center 3.0 compared to other cellular evaluation software.
We hope that this article was helpful and informative for you. If you have any questions or feedback, please feel free to contact us. We would love to hear from you.
FAQs
Q: Where can I download m-center 3.0?
A: You can download m-center 3.0 from the u-blox website. You can choose the appropriate version of m-center for your PC (32-bit or 64-bit) and save the zip file.
Q: What are the requirements for using m-center 3.0?
A: You will need a Windows PC with Windows XP or later, a USB cable or a serial port cable, a u-blox cellular module or a u-blox cellular evaluation kit, and a SIM card (optional).
Q: How can I connect my device to m-center 3.0?
A: You can connect your device to m-center 3.0 using the USB cable or the serial port cable. You will need to select the COM port that corresponds to your device from the drop-down menu at the top left corner of the m-center window. Then, you will need to click on Connect to establish communication with your device.
Q: How can I send AT commands to my device using m-center 3.0?
A: You can send AT commands to your device using the AT Terminal interface. You can type your AT commands in the text box and press Enter or click on Send. You can also use the buttons below the text box to send predefined AT commands.
Q: How can I perform traces using my device using m-center 3.0?
A: You can perform traces using your device using the Trace interface. You will need to configure the trace parameters for your device using the Trace Configuration sub-tab. Then, you will need to start traces using the Trace Control sub-tab. You can view traces using the Trace View sub-tab and analyze them using the Trace Analysis sub-tab. 44f88ac181
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