Quectel M95

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This topic contains 3 replies, has 2 voices, and was last updated by   8 months, 2 weeks ago.

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  • #11335

    Carlos Navarro

    Hi people.

    I’m about to start working with the GSM/GPRS Quectel M95 module, it’s the newest cellular module from Quectel; I already made I “beta” PCB.

    The thing is that I’ve never work with this kind of modules, I once tested one with X-CTU hyperterminal software but I only made a few calls and sent some SMS.

    I would like to know if someone has ever work with a Quectel module, it’ll be very helpful if anyone could tell me advantages and disadvantages of using them, or just some advices.

    I also have no idea on how to make GPRS data transfer, I’ll ve very thankful if you help me with that.

    Thanks.

    #11338

    Admin
    Keymaster

    Hi,
    You can go through the tutorials on how to test different features (GPRS call, voice call, SMS, network selection etc) of cellular M2M modules.

    http://m2msupport.net/m2msupport/data-call-at-commands-to-set-up-gprsedgeumtslte-data-call/

    You can use the AT Command Tool to test above features easily,

    http://m2msupport.net/m2msupport/module-tester/

    #11888

    Peter Dobozy

    Hi everyone!

    I stumbled across an issue which I couldn’t solve so far, and I can’t even say I get what is happening.

    Everything is wired nicely, and I can communicate with the module through UART, BUT only if no sim card is inserted. As soon as I insert a sim card, the module writes
    +CFUN: 1
    +CPIN: READY

    Call Ready

    And then it shuts down. I can no longer communicate on uart, and the status pin is also zeros out.

    Thank you in advance for any help in the matter.

    Peter

    #12244

    Henrique

    Hey guys, I’m trying to send a POST to a server but I always get the +CME ERROR: 3821. I know that this means “HTTP to read timeout”. Then, I tried to change the server to another one, just to test, and then I get the same error 3821. My AT commands list is:

    AT+CGATT=1
    AT+QIFGCNT=0
    AT+QICSGP=1,”zap.vivo.com.br”
    AT+QIACT
    AT+QILOCIP (IP OK!)
    AT+QHTTPURL=38,30

    http://www.posttestserver.com/post.php

    AT+QHTTPPOST=10,50,80
    helloworld
    +CME ERROR: 3821

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