Questions tagged [modem]
This tag is for questions about a network interface for analog lines such as “56k” or DSL on phone lines, as well as for mobile network data service clients.
218 questions
0
votes
0
answers
40
views
nmcli - attempt a connection using a list of APNs
I do not know before hand which network provider's SIM card is going to be inserted into my device, so my current method is to just have a python script create multiple connections while iterating ...
- 1
1
vote
1
answer
320
views
Can't find wwan's modem device on Lenovo ThinkPad T480
I've got a used Lenovo ThinkPad T480 and it has a slot for a sim behind the external battery.
I use artix-linux and I have installed networkmanager-openrc.
According to Arch Wiki for ThinkPad's mobile ...
- 117
0
votes
1
answer
251
views
Zyxel EX3301-T0 router not accessible remotely with static IP
I am attempting to communicate with devices on my LAN via the internet.
I have purchased a static IP for my router.
When I log in to my router, the IP address displayed on the router GUI matches the ...
1
vote
0
answers
601
views
Is it possible to make a voice call (VoLTE) over a 4G USB modem?
Is it possible to make a voice call (VoLTE) using a standard USB-connected (i.e. USB Type-A) 4G / LTE modem / dongle? I am taking about devices such as the D-Link DWM-222 or the ZTE MF833, for example....
- 466
0
votes
0
answers
33
views
"modem hangup," "connect script failed," and "timeout sending config-requests" or a process locking my modem what do I do?
I am working on a project to:
Use the SIM7600X 4G HAT to enable internet access on a Raspberry Pi 4B.
Configure the Raspberry Pi as a Wi-Fi hotspot to then share the 4G internet with other devices.
...
1
vote
0
answers
339
views
LTE 4G USB modem not appearing as /dev file
I am running Debian 12 (bookworm)
I recently purchased a data plan/SIM card and an LTE 46 WiFi Dongle.
The SIM card is valid and active.
My goal is to use the device as a modem and issue AT commands ...
- 175
0
votes
1
answer
107
views
Problem when try to access serial port of ZTE cellular modem
I'm trying to access the serial port of ZTE MF831 cellular modem.
I can access the serial port from Windows using the driver "ZTE Proprietary USB Modem" (modem.sys, ZTEusbmdm6k.sys)
But I ...
- 3
0
votes
1
answer
895
views
modem device not detected by mmcli command
I have an old Qualcomm-based Venus mobile cellular modem. I attempted to get it working on my Linux machine by following the instructions on arch wiki page.
What I have done: install usb_modeswitch ...
- 33
0
votes
0
answers
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?
2
votes
2
answers
3k
views
Trigger usb_modeswitch on boot for Huawei E3372 Modem
I am trying to make a Huawei Brovi E3372-325 USB LTE model work with a Raspberry Pi. Out of the box, it shows as a CDROM when plugging it in. (This is apparently used to automatically run the driver ...
6
votes
1
answer
1k
views
How do I spoof different device ID for the purposes of Linux device management?
I have a WWAN device, which I foolishly bricked by overwriting vendor and product ID (VID and PID) using AT command. I did it in hopes to get around the laptop whitelist feature, which prevented ...
- 1,317
0
votes
1
answer
152
views
Udevadm doesn't auto trigger after suspended
I set up my USB modem with Ubuntu, so that it automatically switches to modem mode every time it suspends and resumes from sleep mode.
Following the instructions from here [1], I was able to do it, ...
- 1
0
votes
1
answer
543
views
Setting PIN code for ZTE USB 4G Modem recognized as CDC Ethernet device in Linux
Currently facing an issue with setting the PIN code for a ZTE USB 4G modem on a Raspberry Pi 4 (running Rasbian Bookworm). The modem is recognized as a CDC Ethernet device (cdc_ether kernel module), ...
- 103
0
votes
2
answers
1k
views
USB 4G Modem Not Detected on Raspberry Pi with NetworkManager
Am trying to set up a USB 4G modem on a Raspberry Pi using NetworkManager, but it doesn't seem to be detected.
Here are the details of my setup:
Raspberry Pi model: 4
USB 4G Modem: zte mf833u1
...
- 103
0
votes
1
answer
53
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 ...
