# Send data to HL7802

**URL:** <https://mangoh.discourse.group/t/send-data-to-hl7802/9876>\
**Category:** mangOH Red\
**Created:** [February 28, 2022, 9:21am UTC](https://mangoh.discourse.group/t/send-data-to-hl7802/9876 "2022-02-28T09:21:14Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![quentinvalenti](https://avatars.discourse-cdn.com/v4/letter/q/a8b319/32.png) [@quentinvalenti](https://mangoh.discourse.group/u/quentinvalenti)\
**Post date:** [February 28, 2022, 9:21am UTC](https://mangoh.discourse.group/t/send-data-to-hl7802/9876/1 "2022-02-28T09:21:14Z")

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Hi,  
I have a problem with my mangoh Red. I use the good settings for my terminal emulator and when I enter AT I can’t see anything. My port is the port of my IoT card and the powered LED is turn on.

Do you have an idea of where is my problem?  
Thank you

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**Author:** ![jyijyi](https://sea2.discourse-cdn.com/flex016/user_avatar/mangoh.discourse.group/jyijyi/32/997_2.png) [@jyijyi](https://mangoh.discourse.group/u/jyijyi)\
**Post date:** [February 28, 2022, 9:57am UTC](https://mangoh.discourse.group/t/send-data-to-hl7802/9876/2 "2022-02-28T09:57:32Z")

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you can see here:

> [@Mangoh Red HL7800 Strange AT commands](https://mangoh.discourse.group/t/mangoh-red-hl7800-strange-at-commands/4253):
>
> Hello, I am trying to send AT commands to my HL7800 module on my mangoh red board, but it is acting strange… I have a TTL cable connected from my computer to pin 8 and pin 10, and USB going into CN305, GNSS and Cellular antennas and a LiPo connected. If I send AT, some times it responds with OK, and some times it responds with ERROR or some strange characters. AT OK AT IU AT ERROR AT ] AT OK My settings are 115200,N,8,1 with flow control turned off. Lastly, If I connect the UART -\>…

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**Author:** ![quentinvalenti](https://avatars.discourse-cdn.com/v4/letter/q/a8b319/32.png) [@quentinvalenti](https://mangoh.discourse.group/u/quentinvalenti)\
**Post date:** [February 28, 2022, 9:59am UTC](https://mangoh.discourse.group/t/send-data-to-hl7802/9876/3 "2022-02-28T09:59:25Z")

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Thank you I will see
