Hello everybody,
As part of the evaluation of the nrf52840, I have made range measurements. In the course of this I was also concerned with the question to what extent the payload breaks down at larger distances. For this purpose, I ran the att_mtu (sdk 15.2) at several distances in the free field. For the BLE 1M mode this works without problems up to the maximum range. For the coded mode, however, no connection can be established with distances in the free field of more than 150m with the example. What can this be? Is the connection always first established in 1M mode and then changed to coded mode by a phy udate?
Many thanks for your help.
