Item 1/2" 7/8" 1-1/4" 1-5/8" Min.bending radius (mm) [many times] 250 500 760 1020 Operating temperatrue (°C) Standard jacket -40°C~+70°C Halogen-free/Fire-retardant jacket -25°C~+70°C Construction weight (kg/m) Standard jacket 242 595 1050 1525 Halogen-free/Fire-retardant jacket 261 635 1130 1615 Flat plate crush resistance (kg/mm2) Max.pulling (kg) 45 90 150 180 DC resistance (Ω/km) Inner conductor(CCA) 1.65 1.09 0.69 0.88 Outer conductor 2.38 1.20 0.57 0.42 Insulation resistance (MΩ/Km) 10000 Dielectric strength (DC.V) 4000 6000 9000 11000 Velocity of propagation (%) 88 88 88 87 Peak power rating (kw) Max.operating frequency (MHZ) 3000 Characteristic impedance (Ω) 50±2 V.S.W.R (1M~3GHZ, Max) 1.2