High quality copper core cable for CCTV installation. RG59 coaxial + 2x 0.5MM power cable combination. Sold in 50 m roll. On average, it is assumed the video signal can be transmitted over CCTV cable for distances up to 400 m without the use of an amplifier. Impedance: 75 Ohm Conductor: CU wire 0.59 Insulation: PE full 3.7 Screen: Al foil (PET) Braid: CCU wire Screening efficiency:> 75 dB Outer sheath: PVC 5.5 mm 2x0.5 power wire List of attenuation (dB) 100 meter section of cable for selected frequencies (MHz): 100 MHz - 10.6 dB 200 MHz - 15.2 dB 500 MHz - 25.4 dB 1000 MHz - 38.9 dB