> For the complete documentation index, see [llms.txt](https://docs.monogoto.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.monogoto.io/ntn-satellite-networks/ntn-certified-devices/ntn-certified-modules/telit-me310m1-w1n-satellite-ntn-network.md). # Telit ME310M1-W1N Satellite NTN Network This guide provides the steps to connect the Telit ME310M1-W1N Development Kit to Skylo satellite Non-Terrestrial Networks (NTN) using a Monogoto SIM.
### Quick Navigation * [Set up the ME310M1-W1N](#set-up-the-nrf9151dk) * [Connect the ME310M1-W1N to Skylo](#connect-the-nrf9151-to-skylo) * [Test the connection by sending UDP payload](#test-the-connection-by-sending-udp-payload) * [Useful Links](#useful-links) ## Set up the ME310M1-W1N * [ ] Connect the **Power cable** to the ME310M1-W1N * [ ] Connect the **USB cable** to the ME310M1-W1N (EVB) * [ ] Connect the **LTE antenna** * [ ] Connect the **GPS antenna** * [ ] Insert the **Monogoto SIM** ### Run the latest module and application firmware Update the ME310M1-W1N with the latest **module firmware** that supports NTN
How to download and update the ME310M1-W1N modem and application firmware #### Update module firmware 1. Download the latest module firmware [ME310M1-W1N NTN](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M0mPxGpottOEfcucXOR%2Fuploads%2F05Xx3q7033rdxypUdMAJ%2Fstream_ME310M1-W1N_MCU_48.00.503-B008-P0U.500000_signed.bin?alt=media\&token=20756d1a-c799-4884-953d-094d8d56f377). 2. Download the **Cinterion XFP** tool [TC-XFP-4.3.3](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M0mPxGpottOEfcucXOR%2Fuploads%2FEGbh43X7rnKRz5hXBvHQ%2FTC_XFP_4.3.3.zip?alt=media\&token=37ef27a5-9a78-4d7f-8817-38d2176aa61b). 3. Open Telit **Cinterion XFP** Programmer 4. Upload the `.bin` file (e.g. `stream_ME310M1-W1N_MCU_48.00.503-B008-P0U.500000_signed.bin`) and select **Program**.
{% hint style="info" %} For more information, see Telit's [getting started page](https://www.telit.com/me310m1-download-zone/?utm_source=chatgpt.com). {% endhint %} ### Open a serial connection with the ME310M1-W1N You can use the **Serial Terminal ComPort**, or any program of choice (e.g. PuTTY for Windows, or screen/minicom/miniterm for macOS/Linux). Set the baud rate to `115200` . To test the connection with the ME310M1-W1N module, enter `AT` and expect the answer `OK`. {% hint style="info" %} Keep the AT Commands manual next to you for more details about the commands. [Click here](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M0mPxGpottOEfcucXOR%2Fuploads%2F8injI6gd0dWe4ZF8ZGLi%2FTC_ME310M1_AT_Commands_Reference_Guide_r4.pdf?alt=media\&token=46171703-a1d3-4a5e-8fe6-317083640af8) to download the latest version. {% endhint %} ### Check SIM Status **Enable the module** ```bash AT+CFUN=1 ``` **Check SIM status** ``` AT+CPIN? ``` Expected response: `+CPIN: READY` {% hint style="success" %} +CPIN: READY means that the SIM is ready and does not require any PIN entry. {% endhint %} ### Query Device Information Useful for confirming firmware, hardware and SIM identity. **Request the hardware model** ``` AT+GMM ``` Example response: `ME310M1-W1N` **Request the firmware version** ``` AT+CGMR ``` Example response: `M0U.500003-B008` {% hint style="warning" %} The minimum required module firmware is `M0U.500003-B008` {% endhint %} **Request the IMSI** ``` AT+CIMI ``` **Request the ICCID** (Integrated Circuit Card ID), which is the identification number of the SIM ``` AT%XICCID ``` ### **Acquire GPS location** To establish a satellite connection, a location has to be set. **Put the radio in flight mode** ``` AT+CFUN=4 ``` **Activate GPS within the ME310M1-W1N module** ```bash AT$GPSP=1 ``` **Start the GNSS scan** ```bash AT$GPSACP ``` Example response: ```bash $GPSACP: 134454.000,3144.5416N,03459.4203E,3.4,303.7,3,0.0,0.0,0.0,060926,06,7.4,7.0 ``` {% hint style="warning" %} Save the location as we need it later on. {% endhint %} **Shut down the GPS** ```bash AT$GPSP=0 ``` *** ## Connect the ME310M1-W1N to Skylo **Disable radio** ``` AT+CFUN=4 ``` **Enable NTN mode** (NB-IoT over satellite) ``` AT%RATIMGSEL=4 ``` **Check whether the modem supports multiple NTN bands.** ``` AT%GETCFG="BAND" ``` {% hint style="info" %}
BandNameDL freq. (MHz)UL freq. (MHz)
255L-band (NTN 1.6 GHz)1525–15591626.5–1660.5
256S-band (NTN 2 GHz)2170–22001980–2010
252AWS-42180–22002000–2020
23Skylo (same as Band 252)2180–22002000–2020
{% endhint %} #### **Set GPS location** Configure static UE position mode: ``` AT%SETCFG="NTN_UE_POS_MODE","1" ``` Format: ``` AT%SETCFG="NTN_UE_STATIC_POS","","","" ``` **Set the location** which has just been acquired, e.g.: ```bash AT%SETCFG="NTN_UE_STATIC_POS","31.742360","34.990338","303.7" ``` **Configure the NTN operator profile for Skylo** ```bash AT%NWOPER="default",,"skylo" ``` ### Subscribe to network status events **Enable SIB31 reception events** ``` AT%NOTIFYEV="SIB31",1 ``` **Enable Timing Advance events** ``` AT%NTNEV="TA",1 ``` **CEREG network registration status events** ``` AT+CEREG=2 ``` **Enable the radio** ``` AT+CFUN=1 ``` **Set APN** ``` AT+CGDCONT=1,"IP","data.mono" ``` **Automatic Network Selection** ``` AT+COPS=0 ``` The initial NTN registration may take several minutes. Example responses: ``` %NOTIFYEV: "SIB31" %NTNEVU: "TA","RACH",501,21894,667760 %NTNEVU: "TA","TAC",1,140,667931 +CEREG: 5,"3A9D","0007DBBD",14 ``` **CEREG State Codes**
ValueMeaning
0Not registered, not searching
1Registered (home network)
2Not registered, searching
3Registration denied
4Unknown / out of coverage
5Registered & roaming
### Radio & Signal Checks **Request network info** ``` AT#RFSTS ``` Example response: ``` #RFSTS: "901 98",32233,-121,-111,-10,3A9D,0,0,0,1,0,"7DBBD","240075909193025","Skylo Technologi",3,255,0,0,3 ``` *** ## Test the Connection by Sending UDP Payload To send UDP data, send **three AT commands**: 1. **Activate PDP context** ``` AT#SGACT=1,1 ``` Expected response: `#SGACT: 10.116.194.83` 2. **Connect socket** Replace `` with the ip address of your UDP server ``` AT#SD=,,,"",,, ``` 3. **Set the IP address** and port, e.g.: ``` AT#SD=1,1,1055,"18.199.15.247",0,5000,1 ``` Expected response: `OK` 4. **Send UDP data through socket 1** ``` AT#SSEND=1 ``` Example response: `>` 5. **Enter the payload** ``` > Hello from Telit NTN ``` 6. **Close the UDP socket** ``` Ctrl+Z ``` Expected response: `OK` {% hint style="info" %} You can test the UDP connection with the Ubidots platform which runs a UDP server. [Learn more](https://docs.monogoto.io/developer/cloud-integrations/ubidots). {% endhint %} ## Test the Connection by Sending PING To send PING, send **three AT commands**: 1. **Activate PDP context** ``` AT#SGACT=1,1 ``` Expected response: `#SGACT: 10.116.194.83` 2. **Send 2 PINGs** to IP address `8.8.8.8`. ``` AT#PING="8.8.8.8",5 ``` If the connection is active, you will see 2 PINGs with a number representing the response time in milliseconds. Example response: ``` #PING: 01,8.8.8.8,4,114 #PING: 02,8.8.8.8,2,114 ``` {% hint style="info" %} **Great work on connecting the Telit ME310M1-W1N to Monogoto**! Have a look at the Things logs in the [Monogoto Hub](https://hub.monogoto.io/) to find more details about the established connection. {% endhint %} ### Switch Between NTN and Public Networks Use the following commands to switch from NTN to public networks: **Disable radio** ``` AT+CFUN=4 ``` **Enable public networks** ``` AT%RATIMGSEL=1 ``` **Reset the module** ``` AT+CFUN=1,1 ``` **Enable radio** ``` AT+CFUN=1 ``` **Set APN** ``` AT+CGDCONT=1,"IP","data.mono" ``` **Automatic Network Selection** ``` AT+COPS=0 ``` **Activate PDP context** ``` AT#SGACT=1,1 ``` Expected response: `#SGACT: 10.116.194.83` ### Switch Back to Satellite NTN **Put the radio in flight mode** ``` AT+CFUN=4 ``` **Enable NTN mode** (NB-IoT over satellite) ``` AT%RATIMGSEL=4 ``` **Set GPS location** Configure static UE position mode: ``` AT%SETCFG="NTN_UE_POS_MODE","1" ``` **Set the location** which has just been acquired, e.g.: ```bash AT%SETCFG="NTN_UE_STATIC_POS","31.742360","34.990338","303.7" ``` **Configure the NTN operator profile for Skylo** ```bash AT%NWOPER="default",,"skylo" ``` **Enable SIB31 reception events** ``` AT%NOTIFYEV="SIB31",1 ``` **Enable Timing Advance events** ``` AT%NTNEV="TA",1 ``` **CEREG network registration status events** ``` AT+CEREG=2 ``` **Enable the radio** ``` AT+CFUN=1 ``` **Set APN** ``` AT+CGDCONT=1,"IP","data.mono" ``` **Automatic Network Selection** ``` AT+COPS=0 ``` The initial NTN registration may take several minutes. Example responses: ``` %NOTIFYEV: "SIB31" %NTNEVU: "TA","RACH",501,21894,667760 %NTNEVU: "TA","TAC",1,140,667931 +CEREG: 5,"3A9D","0007DBBD",14 ``` *** ## Useful Links * [Telit ME310M1-W1N NTN APP Note](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M0mPxGpottOEfcucXOR%2Fuploads%2FdMT7rOScuEliQYTbJlEe%2FME310M1_NTN_App_Note_80756NT12307A_r0.pdf?alt=media\&token=7e09aa00-410b-4749-b1be-9ff46250bb08) * [Telit ME310M1-W1N NTN Operating Guide](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M0mPxGpottOEfcucXOR%2Fuploads%2FjRhqRw9SLCRDfgtC7s9O%2FME310M1_NTN_Skylo_Operating_Guide.pdf?alt=media\&token=ca4e307e-862d-4313-a5a4-0f3b373a68e5) * [Telit ME310M1-W1N NTN AT Commands](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M0mPxGpottOEfcucXOR%2Fuploads%2F8injI6gd0dWe4ZF8ZGLi%2FTC_ME310M1_AT_Commands_Reference_Guide_r4.pdf?alt=media\&token=46171703-a1d3-4a5e-8fe6-317083640af8)ֿ * [Telit ME310M1-W1N NTN User Guide](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M0mPxGpottOEfcucXOR%2Fuploads%2FObaCoNo1yD6zSRCgr60G%2FTC_ME310M1_Interfaces_User_Guide_r0.pdf?alt=media\&token=cf23ff33-53fd-484b-be36-0f087623977d)