UART Implementation connection issue

Question

Hi, I am learning how to implement Long Range on the UART central and peripheral examples using SDK 17.0.0. The error I am facing is that the debug terminal shows 
 [ app_timer: RTC:initialized 
 app: Debug logging for UART over RTT started. 
 app: Connected 
 app: Disconnected ] 
 The connection state switched immediately. The issue I think I face is about the high packet error rate : here 
 Will changing the dbm to 8 (max dBm for nRF52840) resolve this? And how to apply sd_ble_gap_tx_power_set() to the codes because I cannot find the function in the UART despite searching the whole file, any place I can learn to do this and if doing so will resolve the issue I am facing? Thank you.

haakonsh · Accepted Answer

The SoftDevice has implemented the workaround for that issue so that's not the problem that is affection you. Do you have a sniffer trace? 
 The connection state switched immediately. 
 Do you mean that the device disconnected immediately after the connection was established? Can you be more specific? Can you get the Reason for why the disconnection happened? There should be a Reason code with the GAP event.

UART Implementation connection issue

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