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How to use mPCIe UMTS/LTE card

Created by: bergmanu at: 12/10/2020 1:32 PM (15 Replies)

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12/10/2020 1:32 PM	Rate (2)
bergmanu Platinum Expert Joined: 4/28/2015 Last visit: 12/4/2023 Posts: 3295 Rating: (368)	Hi all, please find instructions on how to establish an internet connection using a mPCIe UMTS/LTE card. Any feedback is welcome! Best regards! Attachment Applikationsbeispiel_Modem_IOT2050.pdf (1402 Downloads)

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This contribution was helpful to 2 thankful Users YoB12 mm76

12/10/2020 2:19 PM	Rate (0)
MatJae Member Joined: 8/13/2019 Last visit: 11/10/2023 Posts: 2 Rating: (0)	thank you for the application example. I have executed the steps from the documentation, everything is working fine. My Setup: IOT2050 (Quad-Core) + Example Image from Industry Support.

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This contribution was helpful to 1 thankful Users bergmanu

3/2/2021 3:03 PM	Rate (0)
YoB12 Experienced Member Joined: 1/31/2019 Last visit: 9/28/2022 Posts: 16 Rating: (1)	Hi Bergmanu Thank you for this documentation! It's very clear and it works! However, I have one question regarding this connection. SIM card must be inside when I power on the IOT? Because, I tried to introduce the card after and I am stuck in state "searching" ("enabled" at the beginning) If I try to activate it again, I have the following error.

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3/3/2021 2:14 PM	Rate (0)
Fe_lipe Silver Member Joined: 12/12/2016 Last visit: 12/4/2023 Posts: 640 Rating: (60)	Hello, Yes, it is recommended to insert the SIM-Card prior to boot-up to allow the respective service to be started correcty. Mobile phones usually show a similar behavior. Hope this helps! BR

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This contribution was helpful to 1 thankful Users YoB12

3/4/2021 3:16 AM	Rate (0)
Marcus_Riley Advanced Member Joined: 4/30/2019 Last visit: 11/17/2023 Posts: 4 Rating: (0)	@Fe_lipe i had the following error message when setting up my modem with your instructions. Any Help would be greatly appreciated.

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3/4/2021 3:11 PM	Rate (0)
Fe_lipe Silver Member Joined: 12/12/2016 Last visit: 12/4/2023 Posts: 640 Rating: (60)	Hello, Which 4G/LTE Card are you using? Try entering: dmesg \| grep modem To check where on the device tree your modem is mounted. /dev/ttyUSB0 is the naming for this specific card in our example. BR
	Last edited by: Fe_lipe at: 03/08/2021 15:35:44
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3/5/2021 10:49 PM	Rate (0)
Marcus_Riley Advanced Member Joined: 4/30/2019 Last visit: 11/17/2023 Posts: 4 Rating: (0)	Hi Fe_lipe, The results of the "dmesg \| grep modem" command are as follows: The modem i am using is a Telit HE910 and looks as follows: Any help would be appreciated. Thanks

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3/8/2021 3:39 PM	Rate (0)
Fe_lipe Silver Member Joined: 12/12/2016 Last visit: 12/4/2023 Posts: 640 Rating: (60)	Hello, To me it seems like this card is not recognized correctly. What is the output of: dmesg \| grep tty mmcli -L mmcli -m 0 Could you kindly show these three outputs? BR

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3/15/2021 9:47 AM	Rate (0)
Marcus_Riley Advanced Member Joined: 4/30/2019 Last visit: 11/17/2023 Posts: 4 Rating: (0)	Hi Fe_lipe, It seems i have connection now, but i am facing the below issue in terms of the network.

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3/16/2021 11:31 AM	Rate (0)
Fe_lipe Silver Member Joined: 12/12/2016 Last visit: 12/4/2023 Posts: 640 Rating: (60)	Strange... but looks like a network issue. Could you check the output of nmcli And the contents of resolv.conf cat /etc/resolv.conf Would try adding nameserver 8.8.8.8 within and then rebooting. BR

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