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Questions tagged [quectel]

Quectel is a manufacturer for 2G/3G/4G cellular modules, often used in M2M and IoT applications.

Quectel is a manufacturer for 2G/3G/4G cellular modules, often used in M2M and IoT applications.

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How to build Tensorflow Lite 1 on Yocto 2.4 Rocko on Quectel SC20

I use Quectel SC20 (Qualcomm MSM8909 SoC) with Yocto Rocko 2.4 and Bitbake 1.36 and try to install Tensorflow Lite v1.x on it. Unfortunately, the Yocto layer for TensorFlow Lite interpreter with Python / C++. does not support Rocko because it is…
Nam Vu
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Is SMS Over IMS That Important

2G and 3G have been sunset in few countries and other countries will be sunsetting them soon. VoLTE feature of LTE modules is necessary to be able to do calls over 4G without 2G/3G fallback need. Native SMS can be transmitted or received over 2G/3G…
Ward Mas
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Obtaining CQI from Quectel EC25

I want to obtain the CQI parameter (channel quality indication) from my Quectel EC25. I reviewed the AT commands but I have no clue of how I could obtain this value.
Nfernandez
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Using minicom to retrieve modem information stops after x seconds

I am using minicom in order to connect with my modem (quectelEC25). The goal is to send differente AT commands in order to retrieve ceratain information about the modem and save it in a outpu file. I wrote the following script in…
Nfernandez
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+CMS ERROR: 350 when sending SMS in Quectel EC20

Testing Quectel EC20 GPRS module. Basic AT commands worked, HTTP worked but when testing SMS, after sending AT+CMGS="MOB NUMBER", returns with +CMS ERROR: 350. What is the cause of this error?
Melby Mathew
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Quectel BG96 drivers on ubuntu

I come to you with questions about Quectel's BG96 drivers installation on Ubuntu. I tried on 14.4, 16.04, 18.04, 20.04 but none of these see the BG96 that I plugged into PCi on my PC. I followed the instruction on…
BarW
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BG95 Can't Activate - AT+QIACT=1 returning error

I'm trying to get a BG95 to activate on hologram. Here are my commands: AT+QCFG="band",F,180A,180A OK AT+QCFG="iotopmode",2 OK AT+QCFG="nwscanseq",020301 OK AT+QCFG="nwscanmode",0 OK AT+QCFG="snrscan",0 …
Josh Ferguson
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Diag output structure of Qualcomm modems

I have a Qualcomm Quectel EC25 modem which I can send AT-Commands to this module with reciving the response. I store this modem diag bytes using a python opensource app (qcsuper) with a little code manipulation. Here is a sample diag bytes: 21 00 00…
morteza ali ahmadi
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Capture diag frame data of Qualcomm Quectel modem using an open-source app in C++

I want to capture (and maybe dissect) the diag data obtained from Qualcomm Quectel modem (EC25) in linux. I have done this for mobile devices with Qualcomm chip-set in android environment using some opensource projects such as mobile-insight and…
morteza ali ahmadi
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Is it possible to install OS over Quectel LTE 4G OR NB-IoT Modules?

I would like to install any OS with minimal functionality on the Quectel 4G-NB-IoT module (BG-96, BG-95-M3). Will those modules support this features? If yes: which OS should I prefer? (ANDROID, LINUX, Any Other). Will you please help me to know…
shiv patil
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Logging External SIP INVITE with IoT Modems (EC25)

I'm on a journey of learning how mobile carriers communicate with IoT devices. I set a goal of capturing the incoming SIP INVITE from the carrier. I haven't been able to find any examples online of it being collected on an IoT module like the…
TylerJPresley
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How do I select a menu item via AT command on Quectel M26 chip?

I am trying to use the SIM Menu using the STK of Quectel M26 and I am having trouble traversing the menu via AT command with their STK. Inserting the SIM card will result to a +STKPCI response: +CPIN: READY Call Ready +STKPCI:…
Wotas
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BG95 reboot by itself

I am building IOT device using a LTE modem form Quectel, the BG95, together with NXP imx6, running Linux. The sim card I am using has the technology of eMTC. Normally the device is working fine, the issue I am having now, is that the device lost LTE…
MinShu Huang
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GSM module L651. So long network registration

I'm using in my work GSM Module Linq L651. While working, I ran into a problem: the module registers on the network for a very long time. For one minute it found some network, and then it registers on the network for 5 minutes. There is AT commands…
Mishakol
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How to calculate SIM GPRS data which is uploaded by Quectel M66 during GET method?

I am using Quectel M66 module to send data to web server using GET method. I am uploading data every minute using two APIs. I am using airtel SIM which consumes 2MB of data per hour as per shown in my airtel app. So I want to calculate how much data…
Yogesh W
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