Questions tagged [modem]
For questions regarding interfacing to and using a modem with a Raspberry Pi.
67
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Will the Netgear LM1200 4G LTE Modem work with the Raspberry Pi 4?
I'm working on a robot whose processing is all done in the cloud, and the raspberry pi only sends/receives/executes orders. For this reason, a way to have internet anywhere is needed, and I figured ...
- 111
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0
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326
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Access point with systemd-networkd
I'm trying to configure systemd-networkd with wlan1 as access point and wlan0 as client.
However I don't see the hotspot appear.
(I'm using a USB dongle for wlan1)
Here is some of my configurations ...
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-1
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1
answer
152
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Connect to the raspberry pi over SSH when using the raspberry as a hotspot
I configured my raspberry pi as an access point and I connected my laptop to the wifi network of the pi. However I was not able to reach the pi
PING : 56 data bytes ping: sendto: No route to host ...
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0
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0
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115
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Huawei Stick not associated with wwan0
I have a problem with Huawei LTE stick: MS2372h-153
I have two versions of this stick:
Vodafone IoT branded
Non-branded
Using the non-branded stick, everything works as expected. I plug it into my ...
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0
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0
answers
68
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Does the RPi Zero suffer performance issues with cellular modems?
Sixfab's Raspberry Pi 4G/LTE Cellular Modem Kit claims that it works with every 40-pin Pi:
Fully compatible with Raspberry Pi models that have the 40-pin GPIO header (4, 3, 2, A+). Raspberry Pi Zero ...
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1
vote
1
answer
223
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Power issue: USB 4G Modem via USB Hub
I am hoping to get some advice, below is the hardware I am using,
Raspberry Pi Zero 1.7W (Raspbian OS Lite - 2022 Kernel)
Ethernet / USB HUB HAT (B)
Hologram Nova 4G Modem
Initial power tests, I see ...
- 37
0
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1
answer
416
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How to install LTE USB Huawei EE3372 on Raspberry pi zero?
HELP !
I never worked on Rasperry before, only arduino. Been trying for some time now to install LTE USB modem, Huawei EE3372 on a Raspberry pi zero. Found several instructions on the internet, some ...
0
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1
answer
280
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AT- serial port communication with USB modem breaks ([Errno 32] Broken pipe) after upgrading to Stretch or Buster
Good day, I hope you guys are good. My name is Francis From Nigeria.
I have been using raspberry for a while. I had to upgrade from Jessie to Stretch because my favorite raspberry pi 3B model is ...
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0
answers
124
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Trying to connect my RaspberryPi4 to a Bluetooth modem and have it trusted and paired, but get error can't connect RFCOMM socket
I have a RaspberryPi 4 and am trying to connect it to a Bluetooth modem.
I have paired and trusted the modem, but when I try to connect to the modem I get the message that the connection failed (from ...
0
votes
1
answer
366
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LTE-HAT GPIO SIM7600
I´m able to connect to the internet via the SIM7600 4G HAT modem when it´s connected to USB. Now I´d like to achieve the same without USB but only with the GPIO connection. Somehow the manual (https://...
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1
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53
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RPi4 is not detected by the modem after a certain time (ethernet connection)
I try to use a RPi4 B as a server (to setup netxcloud, PiHole, etc). To do this I connect it to the modem via ethernet connection as showed in this picture :
At first it works, the RPi is detected as ...
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0
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0
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34
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Why does usb enumeration create a bogus device in /dev and how do I get rid of it?
I have a USB modem that sometimes enumerates wrong and creates a false device in /dev. How do I remove that bogus device ? How do I force renumeration without rebooting ?
When the modem works ...
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0
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193
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SIM not detected ! Raspberry Pi connected via a 4g huawei e3370 USB modem using a SIM card
[Updated]
I have a 4g huawei e3370 with a rpi 3. I am trying to configure my modeme e3370 but I am getting an error: SIM not inserted. Do you have any idea?
Here is my /etc/wvdial.conf :
[Dialer ...
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0
votes
1
answer
478
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Connect with tmux instead of screen
New questioner here! I am able to connect to my device using the following command:
screen /dev/tty.usbmodem* 115200
My device is connected to my Mac with a microUSB -> USB cable.
Is there a way ...
- 113
2
votes
1
answer
878
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SIM7600 LTE Modem via GPIO
I am building a drone that should connect to LTE internet with waveshares SIM7600 HAT.
Every guide I see online for using the HAT as a LTE modem is using a USB connection between the PI and the HAT.
...
- 21
0
votes
1
answer
1k
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Read binary data from serial port and save in file
I am link modem to pi3 via serial port and configure this port .
When i receive data in my python software from serial port and save bytes in file, i note i receive too mutch data ,
I am receiving ...
0
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0
answers
41
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Write and receive image to embedded modem via Txd and Rxd in Raspberry Pi 3
How can I send and receive image (page) to embedded modem via Txd and Rxd in raspberry pi3 using Python?
And how can configure baudrate and flow control using Cts and Rts?
0
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0
answers
254
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Raspberry Pi 4 network speed drop
I configured my Raspberry Pi 4 to be a wireless and wired router that I can also use in combination with a D-Link DWM-222 USB modem. The problem is that when I connect the Ethernet cable (I am using a ...
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1
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0
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41
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setup pi3 to work with embedded modem through TXD RXD
how can I configure pi3 (GPIO ) connected to embedded modem through (UART Pin 8-Pin 10)TXD RXD? and how can write python code to control with modem?
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0
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927
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Connect LTE modem to RPi with systemd-networkd networking
I have a rpi3b+ running latest os as headless with everything up to date and I use systemd-networkd for networking on it. I'm trying to connect a LTE usb modem to it for wan access. For that I use ...
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0
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18
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Using Raspberry Pi to deliver POE to other products through the ethernet port
Scenario is this:
Have a raspberry pi being powered through a usb-c adapter.
Have a 3g usb modem, that connects the pi to the internet.
Have a camera device connected to the ethernet port of the ...
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1
vote
0
answers
95
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Problems with Huawei me909u521 modem in Raspberry Pi 3 b+
I have the Huawei me909u521 modem attached to RPi 3 b+ via sixfab LTE hat (connected by GPIO).
The Rpi is detecting the modem:
pi@raspberrypi:~$ lsusb
Bus 001 Device 004: ID 12d1:1573 Huawei ...
- 117
0
votes
1
answer
959
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Problem configuring modem on Raspbian
I need to configure the [TRM240 modem][1] to work with a Raspbian system. I followed the procedure reported in the answer [here][2], but the connection isn't working.
I attach some screenshots ...
- 101
0
votes
1
answer
466
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Share USB modem internet via hotspot to devices
I have Quectel LTE USB Modem connected to Raspberry Pi 3 Model B+ and able to access internet from modem.
Now, ifconfig has wwan0 connection with IP.
I want to start hotspot on Pi and share the ...
0
votes
1
answer
723
views
Connect to internet with Sakis3g when modem establish network connection
RP-beginner here,
Background
I'm using a shell script called Sakis3g to connect to internet and it works very well (It uses wvdial in the background and sets up a ppp-connection)
I want Sakis3g to run ...
- 11
0
votes
0
answers
61
views
Huawei Modem port number not showing up
I tried configuring the modem dongle for Raspberry Pi 4 but the port number is not showing up.
Under ifconfig I see eth1
I tried looking under dmesg command I can't see anything. I looked for all the ...
2
votes
0
answers
214
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Set SIM PIN in /etc/network/interfaces?
I've a Huawei E3372 usb modem and works out of box when I connected in my Raspbian Strech.
With others Huawei modems I needed vwdial setting up, but with E3372 seems it not use wvdial to up network ...
- 303
1
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0
answers
462
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Raspberry Pi Raspbian - check LTE USB modem SIM card phone number
I have LTE USB modem attached to Raspberry Pi 4 with Raspbian installed. LTE modem was configured automatically and Internet connection is up.
I don't remember SIM card phone number. How can I check ...
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2
votes
2
answers
1k
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SMS Gateway project using ZTE MF920V 4G MiFi modem
For a personal project, I'd like to use an MF920V modem. It's a mobile 4G modem made by ZTE. (Not to be confused with USB dongles).
The idea is to code an api with Python or Nodejs to remote control ...
- 123
1
vote
2
answers
595
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Raspberry Pi backup 3G USB modem - can't connect
I'm trying to configure 3G USB dongle as backup solution to WiFi.
Using Raspberry 4b, latest raspbian in which seems usb 3G dongles automatically converted to modems as I see.
So I'm skipping usb-...
- 111
1
vote
2
answers
1k
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SIM800 UART Serial Corrupted Response Problem
I am adding a SIM800L module to a home burglar alarm system I'm building around a RPi3. I've already encountered, and overcome, the usual power problems, and I can successfully use the module to make ...
- 125
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0
answers
778
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Configuring WWan LTE modem (SIM7000a)
Does anyone have any experience hooking up a WWAN? I picked up a SIM7000A and re-activated one of my AT&T hotspot sims to work with it. This particular one is a PCIE card but came with a PCIE to ...
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0
answers
2k
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setup wifi hotspot with 4G hat [closed]
I have bought a 4G hat for my raspberry pi 3B+ (the sim7600 waveshare for europe) and followed these instructions for setup. It is running the latest version of raspbian and I have internet on the ...
- 31
2
votes
1
answer
1k
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USB modem ppp0 automatic connection improvement
I have a USB modem (Huawei E1552) connected a RPi running Raspbian Stretch. It is connected at remote location that needs persistent internet. For example, for ssh or pushing code remotely.
I have ...
- 21
0
votes
0
answers
264
views
ttyusb don't appear in raspberry
I work with a LTE modem. Normally when I plug it, ttyUSB0/ttyUSB1/ttyUSB2/ttyUSB3 appear. Suddenly it stops working and I don't know what happened. Why does it happen?
Thank you in advance
Update: ...
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2
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1
answer
2k
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Raspberry Pi 3 + USB data modem as a Wi-Fi Router
I have a USB data modem (Huawei E3131) and a RaspberryPi 3B+. I would like to use the Pi as a Wi-Fi hotspot. Pi connects to the internet via USB data modem and creates hotpsot for other devices. So, I'...
- 139
0
votes
2
answers
189
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Raspberry Pi share ppp0 via USB
I have the following setup:
Raspberry Pi 3
Sixfab 3G/4G Base Shield v2
Queltec UC20
I have connection to the internet over ppp0 interface but now I want to connect the Instantel Micromate sensor to ...
- 101
1
vote
3
answers
533
views
Reading time off of a cellular modem with python 2.7 and pyserial
TL;DR:
I need to read the time off of my Hologram Nova USB cellular modem on /dev/ttyACM0 and update the system clock after the pi restarts. I'd like to do it in Python but it isn't reading the ...
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1
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0
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737
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usb_modeswitch error Huwaei E3372 4g Modem
I tried following this tutorial to change mode of my Huwaei E3372 modem https://blog.unixweb.de/usb-stick-lte-telekom-magenta-eins-huawei-e398-modem-raspberry-pi/
System Raspberry 3B+
OS: Raspbian ...
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3
votes
1
answer
563
views
3G modem connects and ping is working, can't access web
Huawei E369 3G modem connected to RPi3 Model A+ and managed by NetworkManager cli:
connects
allows for pinging websites
has working DNS
But does not allow for performing any http requests using CURL ...
- 141
0
votes
0
answers
286
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Unable to access internet in PC when connected to Pi(ppp0) via Ethernet
I am using openhabian. I have managed to get the Pi connected to the internet via the Quectel UC20-G modem after which I get a new interface called ppp0 with IP address 49.225.37.106 as shown below.
...
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0
votes
1
answer
86
views
VNC Viewer does not recognize modem ip
What could be the possible cause for me to be able to configure the ppp0 signal from a modem perfectly on my Raspberry Pi, but not being able to access it (the rpi) via VNC via the IP provided by the ...
1
vote
0
answers
175
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Rasbperry 4g usb modem + WIFI priority
When i connect raspberry to router by WIFI and plug usb modem - wifi have priority over internet.
i need that 3g modem will get internet and have priority over WIFI.
but i still can connect by local ...
2
votes
1
answer
273
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Raspian Lite (3B+) And Huawei modem N3372 Problem
Problem: eth1 has no internet (interface created by modem). usb_modeswitch is installed. But I can ping it
Setup:
- Raspberry Pi 3 B+ (Raspbian Stretch Lite 2018-11-13 Kernel version:4.14)
- Huawei ...
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2
votes
0
answers
3k
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Raspberry pi 3 a+ stretch and huawei e3372h-153 port forwarding
At the moment I was able to get internet on my raspberry pi 3a+ with Huawei e3372h-153, a 4G LTE USB-dongle.
When I enter address http://192.168.8.1 it gives me a config web page of a dongle.
I ...
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1
vote
1
answer
186
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Raspbian and Netgear 779s LTE modem
I've been having trouble the last two days figuring out why my NetGear 779s modem isn't working fine with Raspbian.
I installed NetworManager, and did sudo systemctl disable dhcpcd and sudo systemctl ...
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5
votes
1
answer
4k
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A USB modem not working on Raspberry Pi 3 Model B+
I have been trying set up USB modem on my pi (Raspberry Pi 3 Model B+) but have not been successful.
The modem in itself is recognized - lsusb shows the entry for the device - but I cant't get it ...
1
vote
2
answers
15k
views
How to connect with a 4G modem on RPi?
I recently purchased a Huawei e397u-53 4G LTE USB modem, marketed as the Cricket Boltz, for use as a modem with the Raspberry Pi 3 B+.
This product comes with a Windows drivers which I installed on a ...
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0
votes
1
answer
3k
views
Module 3G/4G USB for Raspberry Pi 3 Model B [closed]
I want 3G/4G dongle to connect it via USB to my Raspberry Pi because I want Internet when there is no WiFi to send same scanned data.
Any suggestions (Works in France) ?
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2
votes
2
answers
13k
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Steps to configure wwan0 interface (huawei modem, movistar SIM)
I've been struggling since yesterday trying to configure a wwan interface that I get when I plug in a huawei modem into my rpi. This is what I have on /etc/network/interfaces but it just doesn't work (...
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