but man from the back i found the pinouts on PCB and they are in this order:
GND-RX _A-TX_B-POWER A-POWER B-TX_A-RX_B-VBAT and i'll upload th pic,so which one to take or just go to pin 10 &pin 12 and the GND?
this is the pic:
http://file5.9q9q.net/preview/362374...08031.jpg.html