KKmoon High Quality Walkera Devention DEVO RX601 2.4GHz 7 Channel Receiver RX 2.4 GHz DEVO 6 7 8 12 Walkera Devention DEVO RX601 2.4GHz 7 Channel 2.4G DSSS technology Dual antenna, auto signal switch Center processor singlechip Could fix ID by user, or auto distribute ID