Questions tagged [modem]

For questions regarding interfacing to and using a modem with a Raspberry Pi.

28 questions with no upvoted or accepted answers
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Setting up a Huawei LTE stick e3372 on a raspberry

I have just taken over a project from a colleague so I am not 100% sure what this pi have been up to before. Anyways, my task is to setup a Huawei LTE usb Stick (E3372) as a modem for the raspberry ...
2
votes
0answers
101 views

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 ...
2
votes
1answer
1k views

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'...
2
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1answer
205 views

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 ...
2
votes
0answers
2k views

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 ...
1
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0answers
27 views

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?
1
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0answers
115 views

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 ...
1
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0answers
24 views

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 ...
1
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0answers
204 views

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 ...
1
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0answers
330 views

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 ...
1
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0answers
149 views

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 ...
1
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0answers
606 views

Problems with Huawei E3372h USB Modem

I have been trying to connect to the Internet with this Huawei E3372h modem for a couple of days now. I have tried everything from sakis3g , wvdial , qmi-network to modemmanger , networkmanager but ...
1
vote
0answers
1k views

Problems with wwan0 interface

I am trying to connect to a 4G LTE network using Huawei E3372 modem. ifconig shows a wwan0 interface when the modem is connected. This is what it looks like: wwan0 Link encap:Ethernet HWaddr 46:...
1
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0answers
239 views

Raspberry Pi 3 - Aircard A313u wwan support?

Has anyone had success with bringing up Sierra Wireless Aircard A313u USB-WWAN module? (aka AT&T Momentum 4g). It used to work with RPi2 and does not work with RPi3. When the USB card is ...
0
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0answers
13 views

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. ...
0
votes
1answer
22 views

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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0answers
24 views

write and receive image to embedded modem via txd rxd in raspberry pi 3

How can I send and receive image (page) to embedded modem via Txd Rxd in raspberry pi3 using python ? And how can configure buadrate and flow control using Cts Rts?
0
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0answers
36 views

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 ...
0
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0answers
17 views

Can not use TCP/IP on raspberry PI 3 using SIM800/868 GSM Module

I tried to send a GET request using TCP over a SIM868 modem , but I always received "ERROR" after the AT command: AT+CIPSEND. (the modem works ok and I was able to send and receive SMS, HTTP ...
0
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0answers
24 views

Slow connectivity, USB modem with Raspberry Pi 4

I am having serious problems with my USB modem (it's a D-Link DWM-222) combined with my Raspberry Pi 4: I tried configuring it with wvdial, using a script called "sakis3g", I used the pppd ...
0
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0answers
10 views

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 ...
0
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0answers
26 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 ...
0
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0answers
43 views

Unable to get a usable connection to send and receive SMS with a wwan device

I have been trying to SMS with my Raspberry Pi using a Vodafone (Huawei) K4606 USB stick with a vendor ID of 12D1 and a product ID of 1F19. In a Windows box, It works fine, using the provided Vodafone ...
0
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0answers
387 views

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 ...
0
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0answers
114 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: ...
0
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0answers
224 views

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. ...
0
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0answers
159 views

Franklin U772 (U700 series) usb modem - can't connect

trying to get my Raspberry Pi 3 connected using USA Sprint's modem Franklin U772. system is: Linux raspberrypi 4.9.41-v7+ #1023 SMP Tue Aug 8 16:00:15 BST 2017 armv7l GNU/Linux According to ...
0
votes
1answer
414 views

Connect to the raspberry over SSH via mobile connection

I finally got it working that I can use a Huawei E173 modem on my raspberry. When activating it with sudo ifup 3gModem everything works fine, and it connects itself to my Server as I can see it ...