Frequency range: 266.85MHz (A-channel 763.4)/268.65 (B-channel 765.4)

Band width: 50MHz Maximum frequency offset:48KHz

Modulation method: digital frequency modulation

Frequency response: 50Hz - 15KHz

Distortion ≤ 0.5%

Signal-to-noise ratio: (S/N): ≥ 90dB

Working voltage: 1.5V * 2/AA Size alkaline battery&3.7V/18650 lithium battery

Working distance: ≥ 30 meters (ideal environment test