... increase image clarity Wide frequency range, low noisy factor, high output level, low Features:100% brand new and high quality Boost ... increase image clarity Wide frequency range, low noisy factor, high output level, low signal distortion Ideal for the home, shops and ... : 45 - 860MHz Sound amplification: 20â±2dB Power: 1 W Power cable length: 0.8 meter( approx) Dimension: 8.5cm(L)*5 ...