Product Name: JT-907 Freq(MHz) 45-910 Gain(dB) VHF ≥ 48 UHF ≥46 Impedance(Ω) 75? Max output level(dBμ) Noise coefficient(dB) ≤ 3.5 Power(V) 220V50HZ ±10% If you have interest please login on and htp://