Please tell me how the nRF52-DK and Geloxy Note Ultra communicate with each other in BLUETOOTH.

[odenwar]

I am checking the ble_app_att_mtu_throughput program to increase the amount of Bluetooth transmission.
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fsdk_nrf5_v17.0.2%2Fble_sdk_app_att_mtu.html&cp=7_1_4_2_1_0

What should I modify in order to communicate with the product of the Samsung Geloxy Note 20 Ultra?

[JONATHAN LL]

Hi,

Can you tell be a bit more about the setup and what you are trying to achieve?

So you have a Phone (Samsung) and a nrf52DK and you want to use the ATT_MTU Throughput Example? That example uses 2 boards to showcase the GATT Module and is not designed to be showcased with a smart phone. 

Regards,
Jonathan

[odenwar]

I want to transmit ADC data (12bit, 15k sampling) via Bluetooth.
Currently, 1 channel ADC-UART has confirmed 4.2k sampling, but Bluetooth transmission has confirmed some data omissions. In order to increase the data transmission bandwidth, I checked the following example.
Is there any way to quickly process the above?

[Eugene Yu]

Here is the ticket for changing the PHY to 2Mbps.

I saw your multiple tickets with the same topic.

To configure the rest of the items that mtu size, packet length, and connection interval, please refer to the ATT_MTU example in your other ticket's answer.