https://devzone.nordicsemi.com/f/nordic-q-a/30045/connection-bandwidth-options-for-s132-soft-device-v-5We are in the process of upgrading from from soft device v 2 (with SDK v 11) to soft device v 5 (with SDK v 14), and we have a portion of our code that controls connection bandwidth using the ble_common_opt_conn_bw_t structure which allowed us to seten-USTelligent Community 13Wed, 31 Jan 2018 12:00:38 GMThttps://devzone.nordicsemi.com/thread/119340?ContentTypeID=1Wed, 31 Jan 2018 12:00:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6e697303-a57d-4bbc-9801-3e9a3e9f6a73Petter Myhre<p><a href="https://devzone.nordicsemi.com/question/166578/recommended-configuration-for-data-length-extension-multiple-connections/">This</a> may provide some clarity.</p> <p>I would also recommend reading the S132 v5.0.0 migration document. Especially the section BLE bandwidth configuration.</p><div style="clear:both;"></div>