同轴电缆

Coaxial cable connector Detailed Product Description RG59Ucoaxial cable RG59/U Conductor: 0.65mm CCS Dielectric: 3.7mm Solid polyethylene Shield: Bare copper braid 95% coverage Jacket: 6.15mm black PVC. APPLICATION Used as a distribution cable for indoor CATV, CCTV systems and as a connection cable for satellite systems where lower attenuation required. 4C-FB DESCRIPTIONConductor: 0.81mm Bare copper/ CCSDielectric: 3.7 mm Foam polyethyleneShield: Aluminum wire braid 60% coverageJacket: 6.1 mm black PVC.APPLICATIONUsed as a distribution cable for indoor CATV, CCTV systems.This is a Korean standard cable, which is widely used in some of Asia country, The Specification is Similar to RG59.Electrical Characteristics Impedance 75±3.0 Ohms Capacitance 54±3.0(pF/m) Velocity of Propagation 87% Return Loss(dB) VHF5-300MHz >= 22dB UHF300-960MHz >= 30dB Screening Attenuation(dB) VHF5-50MHz >=85dB UHF200MHz Upward >=90dB Frequency(MHz) Maximum(dB/100ft) Maximum(dB/100m) 5 0.86 2.82 55 2.05 6.73 83 2.45 8.04 187 3.60 11.81 211 3.80 12.47 250 4.10 13.45 300 4.45 14.60 350 4.80 15.75 400 5.10 16.73 450 5.40 17.72 500 5.70 18.70 550 5.95 19.52 600 6.20 20.34 750 6.97 22.87 865 7.52 24.67 1000 8.12 26.64