requency 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