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Get error 0x08: GATT_CONN_TIMEOUT when transmit data to mobile application continuosly.

Dear DevZone Team,

I am developing a application on nrf51822 with SDK 11 and face a problem.

The thing is during connection time, I was trying to transmit data via bluetooth contiounsly (period is around 100 ms). Each packet is from 5 to 20 bytes.

After 2-3 mins, I got error from nrf connect said that Error 0x08: GATT_CONN_TIMEOUT. 

In logging screen via JLinkViewer, it just stopped and did not come back to advertising state. 

I have tried to change the code for clock configuration: 

xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_250_PPM and 500, 20, 50 and it's still not work. 

Any suggestion on how to fix this? Thank you very much.

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