6 Pin Serial Port Bluetooth 4.0 Dual Mode Board Support RS232 TTL For FSC-BT826,6 Pin Serial Port HDK
link:http://www.feasycom.net/bluetooth-development-board/6-pin-serial-port-hdk/6-pin-serial-port-bluetooth-4-0-dual-mode.html
6 Pin Serial Port Bluetooth 4.0 Dual Mode Board Support RS232 TTL For FSC-BT826