The Bluemore500 is a compact and complete module incorporating a Bluesmall240 module. Its specially designed for serial cable replacement (UART) on embedded systems. Note: The Bluemore500 has 3.3V serial logic levels. To connect to a RS-232C interface you must use a level translator interface or select the Bluemore600 module. No drivers or firmware modifications are needed on your system since the Bluetooth stack runs on the module itself with the powerful eikonAT firmware.