The iOS portable devices will connect with the Bluetooth Low Energy (BLE) to serial port converter devices and exchange data with them bi-directional. The serial port includes RS-232 or RS-422 RS-485 interfaces. The user will test the APP with the SCADA, Robot, UAV, PLC, CNC or etc. with the BLE to serial port devices. The APP will be customized to meet the specific applications. 

[Features]:
1. Support BLE to Serial Port
2. Sent and received data in ASC II or Hex format
3. Support BLE V4.x &amp; V5.x version