I am looking for in China some components, see below:A) Bluetooth antenna as below specifications:1) Interface serial UART (RS-232 or TTL)2) Class 1 or 2 (preference for class 2)3)Bluetooth antenna on-board or off-board (preference for modules with antennas on-board)If you get any different manufacturer please send me data sheet. Please answer my email urgently.RegardsCountry:Brazil