SERVICE 3 UUID: 0000FFE0-0000-1000-8000-00805F9B34FB CUSTOM SERVICE UUID: 0000FFE1-0000-1000-8000-00805F9B34FB CUSTOM CHARACTERISTIC READ/WRITE/NOTIFYThe main part of the custom service UUID (FFE0) the main part of the custom characteristic UUID (FFE1) can be changed via AT commands. A second characteristic can also be added.