... permission limitedHigh effective GFSK modulate,communication design is 126 channels jumping frenquecy,high anti-jamming ability. ... 400M(visible distance)Working frequency:2.4G ISM,126 channelsMax transmitting power rate:20dBmReceive sensitive:-94dBmDMX single ... - - - - - - - - - - - - - - - - - 2. 400-2. 525 G,Total 126 channels,no setting needed when it warks self-moving condition. Transmitting power ...