Receiver sensitivity: ≤-85dBm. Suitable for all 12V vehicles, small trucks, cars, vans, etc. Harmonic distortion: 1.5% (100HZ~15KHz). Signal to Noise ratio: 38dB. Working frequency: 2414 MHZ or 2432 MHZ / 2450 MHZ, 2468 MHZ (optional).