Ble communication questions.

Ble communication questions.https://devzone.nordicsemi.com/f/nordic-q-a/50835/ble-communication-questionsHello Nordic! I'm developing with s340, nrf52840, and sdk 15.3.0 My device is a peripheral and the phone is master in ble. I listen to my coworker who is developing Ios that my app is sending by using 'with response' so I would not see any losten-USTelligent Community 13Mon, 12 Aug 2019 14:52:12 GMTRE: Ble communication questions.https://devzone.nordicsemi.com/thread/203652?ContentTypeID=1Mon, 12 Aug 2019 14:52:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b4014a9a-4652-4940-b867-056624599c2dSimon<p>Hello hongpal.</p> <p>In a BLE Link, you should not experience packet loss. Read more <a href="https://devzone.nordicsemi.com/f/nordic-q-a/1884/about-acknowledgement-and-retransmission">here</a> and <a href="https://devzone.nordicsemi.com/f/nordic-q-a/21756/in-gatt-packet-transfer-is-there-occurs-any-packet-loss-and-retrial">here</a>.</p> <p>However, a timeout may happen, if e.g. the connection is weak and the packet is attempted retransmitted x amount of times. Is this what you are experiencing? How do you know that a packet is lost?</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>