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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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MRU change request failed, device already open

I am using the Quectal AG550Q and AG215s modules and when connecting to minicom,it is showing this error.Can you please suggest any ways to remove this error. rmnet_usb 2-1:1.2: MRU change request to 0x4000 [ 669.208305] rmnet_usb 2-1:1.2: MRU…
Akshay
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Quectel MC65 GPS fail(empty response)

I am using Quectel's MC65 to get location info. Here is my at command process: 1-AT+QGNSSC=1\r 2-AT+QGNSSRD=\"NMEA/RMC\"\r" The GNSS powers up correctly but I only get +QGNSSRD: OK in response!
Hamid Rajabi
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How to connect Quectel L89H module to STM32WL55JC1 and get the data Via UART?

Recently I started working on the GNSS with STM32, I am very new to STM32 eco-system. I have a IRNSS click from MikroE which has L89H and I am trying to integrate L89H with STM32WL55JC1 controller. I have implemented the UART receive NMEA messages…
Pavan Ravuru
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How can I connect a Quectel module to an STM32 board via USB and manage the com_port?

i have a quectel module and i want connect this module to stm32f4 board with the usb port i can connect two stm32 board togheter and send or receive data between them but when i connect this module to stm32 board Nothing happens i think this problem…
hosein_asgharkhah
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Quectel M66 .json firebase request

I'm new to GSM. I'm trying to connect to internet. I want to get and set data on firebase. I used the AT commands manuel to request a website. I can get the https://www.google.com/. Here is the commands I used. AT+QIFGCNT=0 AT+QICSGP=1,"internet"//i…
HUV
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AWS IOT Core - Custom Authentication and ALPN

I am building an integration between IOT Edge Quectel_BG96 and AWS IOT Core. The requirements are: These IOT edges should authenticate using Custom Authenticator ( Username and password ) Quectel_BG96 has difficulties to implment ALPN. This means…
tjxob
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Quectel EC21 ARM Trust Zone to secure TLS certificates

I'm exploring the possibility of using the Qualcomm Trust Zone to secure TLS certificates and sensitive data, in a Quectel EC21, which mounts a Qualcomm MDM9607 I don't know if Quectel EC21 is suitable for Trust Zone final users usages. I’m running…
Sbon
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VBAT_BB and VBAT_RF in Quectel EC200u

I am designing a pcb for Quectel EC200U. It has been given to use two separate voltage domains for its VBAT_RF abd VBAT_BB pins. what if i use a single power plate of 4v with one 100uF tantallum, one 100nF and one 10F capacitor for the four pins.
Ax111_
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ModemManager: 3gpp scan timeout

I would like to scan for available networks, but I ran always into a timeout, no matter how high the timeout is. My settings: Raspberry Pi CM3 Quectel EC21 mmcli 1.14.2 multiroaming sim card Output of the command: # mmcli -m 0 --3gpp-scan…
Nickes
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How to seprate two EC25 Quectel module connected to a NanoPi?

I have two EC25-EUX modules and they're connected to a 4-way USB hub and the hub is connected to a NanoPi with Ubuntu server 20.04. By entering ls /dev/ command 8 ttyUSB ports are shown(from 0 to 7) and with udevadm info --name=/dev/ttyUSBx…
mohammadjavad taheri
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Send/recieve data with Quectel Bt client and a device

Good morning. I have a Quectel MC60 bt and a pulsioxymeter which has a service with two characteristics. If I send the command “AA14EB00000000C6” to write charasteristic from my mobile, the pulsioxymeter responds me with the next general data. Now I…
J.A
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time synchronization on quectel m66

in IRAN the mobile operators can't support NITZ protocol. one of the ways that operator suggest to me is that I can use NTP protocol. when use AT+QNTP="example",example for any example QUECTEL M66 reply to me: ERROR. when send this AT command:…
mohammadsaleh farrokhi
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how to connect quectel to server using MQTT protocol ? can any one help send the AT COMMAND(quectel ECU200U)

how to connect quectel to server using MQTT protocol ? can any one help send the AT COMMAND(quectel ECU200U),I'm not able connect with server give some solutions. I tried AT command those are in QUECTEL datasheet, I'm getting error. I'm expecting AT…
Raventh K
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Download File with modem Quectel EM-12

I recorded and saved an audio clip (.wav) inside the UFS memory of the Quectel modem (version EM-12). I would like to copy the clip contained in the modem to my local PC. How can i do? Using the command AT + QFDWL = "clip.wav" I only get a binary…
luana nastasi
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Putty carriage return corruption

I am trying to make a windows executable talk with a Quectel module through serial. The tool always fails at the first step which is to read the module's firmware version with an AT command (AT+CGMR\r). I tested to send the same command to the…
G. Communithings
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