Questions tagged [lte]
This tag relates to Long-Term Evolution (LTE) mobile telecommunication standard. For general cellular network related questions use /mobile. For other mobile technologies use specific tags like /3g /gsm. For other RF technologies consider tags like /wifi /bluetooth /irda.
43 questions
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How to see packet queues in qmi LTE modules?
I have a Linux box with multiple LTE connections, e.g. wwan0, wwan1, etc., all using the modems' qmi interfaces. If I send dozens of UDP packets, when a modem's antennae are disconnected, they get ...
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532 views
How to make Huawei E5372 USB 4g LTE Modem work on Debian 12?
I'm trying to make my Huawei E5372 USB modem work with my Debian 12 Linux with Gnome Desktop Environment but having no luck with it. When listing modems with ModemManager the USB modem is shown: tiago@...
0 votes
1 answer
281 views
multiple VPN connections from the same device
I have set a VPN server (ubuntu) with a docker from the kyle/manna project. I want to establish two different VPN tunnels (VPN tunnel 1 and VPN tunnel 2) from another device (ubuntu) which owns two ...
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41 views
4G modems allowing to set a higher TX output power
Does anyone know of a Linux-compatible 4G/LTE modem (USB stick or otherwise) which allows setting a higher TX output power that the standard +23dbm?
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1 answer
84 views
How can I use a mobile broadband stick with a VoIP server to route calls to multiple devices over Wi-Fi and VPN?
How can I manage incoming and outgoing calls directly via a VoIP server with a compatible 5G/4G/3G stick? I want to use a SIM card that offers a flat rate for calls in Europe. The idea is to use it ...
- 1
0 votes
1 answer
51 views
Modem dropped in Raspberry Pi3 and I can find it anymore, despite it is visible with lsusb
So, I am facing a problem with several Rpi units I have here. Most of the time they work fine, but after several days, the LTE modem (TELIT 910C1-LA) stops working with no reason. Luckily, I could ...
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5 answers
11k views
USB LTE modem "Brovi E3372-325" not working
I have problem new USB LTE modem Brovi E3372-325 I can't get it to work on linux. When connected to a USB port, the modem identifies itself as: # dmesg ... [ 6731.401923] usb 1-3.4.4: new high-speed ...
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2 votes
1 answer
2k views
Fibocom L850-GL/Intel XMM 7360 driver does not work Fedora 37
I have a Thinkpad T590 that I dual-boot Windows and Linux on. I installed an OEM Fibocom L850-GL WWAN card in the laptop, and after driver installation it works perfectly in Windows. However, after ...
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789 views
LPAd (eSIM) Linux?
Is anyone aware of a LPAd for Linux devices, both Android and Windows support this as of currently. I have searched the internet and was unable to find any information about if / or an eSIM LPAd will ...
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1 answer
338 views
sshd on yocto linux consistenaly disconnects me
We have our own yocto image on IMX8 device (NXP). The device internet is served by simcon EU 4G modem and IOT sim (Monogoto). The connection id created with libqmi and created wwan0 successfully. the ...
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1 vote
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1k views
nmcli connection stuck in activation state if there is no LTE connection from the beginning
I want to setup an LTE connection via nmcli which auto connects at startup. My current configuration looks like this: # mmcli -m 0 -------------------------------- General | dbus path: ...
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190 views
Problem connecting gateway to internet through cellular connection
I'm by no means an experienced person in this regard. Context, if you find it helpful We are developing an IoT solution for telemetry purposes. The device that retrieve the data to send it to the ...
- 101
11 votes
2 answers
14k views
Difference between PPP, QMI and AT commands
During the past 6 days, I had the chance to interact with an LTE modem (https://sixfab.com/product/quectel-ec25-mini-pcle-4glte-module/), I managed to set up 4G Internet access on a Raspberry Pi using ...
- 111
0 votes
2 answers
2k views
Bash needs to send a command to another CLI
I want to automate some command the thing is we login to the server and the next commandline isn't a linux commandline but rather that of an application it self. My current attempt of solution is the ...
1 vote
1 answer
2k views
Decode LTE RRC message (hexdump) using Tshark
I have a hexdump of an LTE RRC message that I'm trying to decode using Tshark, and I can't figure out the command line syntax. I'm trying to use the "User DLT" functionality of Wireshark/Tshark to ...
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