... equipment of the communications to sendWe can produce standard distribution box:1152cores,576cores,288cors,144cores,96cores,72cores,48cores,24coresOur factory can ... : -5 – 40°C7) Relative humidity: ≤85% (30°C)8) Air pressure: 70 - 106kPa9) Standard working wavelength: 850nm, 1,310nm ... 5dB7.Backwave loss: PC≥40dB,UPC≥50dB,APC≥60dB;8.Resistance to voltage between high-voltage protection ground and frame ...