
                          Construction
                          
                            
                              Inner conductor    | 
                              Smooth copper tube  | 
                              Φ9.0 mm | 
                            
                            
                              Dielectric    | 
                              Foam PE    | 
                              Φ22.5 mm  | 
                            
                            
                              Outer conductor    | 
                              Overlapping copper foil   | 
                              Φ22.8 mm | 
                            
                            
                              Sheath    | 
                              PE/LSOH    | 
                              Φ27.2 mm | 
                            
                          
                          Electrical & Mechanical Characteristics
                          
                            
                              Impedance    | 
                              50±3 Ohm    | 
                            
                            
                              Nominal capacitance    | 
                              76 pF/m    | 
                            
                            
                              Velocity of propagation    | 
                              89%   | 
                            
                            
                              Insulation resistance    | 
                              >5000 Mohm.Km    | 
                            
                            
                              Inner conductor resistance    | 
                              1.2 Ohm/Km    | 
                            
                            
                              Outer conductor resistance    | 
                              2.8 Ohm/Km    | 
                            
                            
                              Installation temperature range    | 
                              -40°C - +60 °C    | 
                            
                            
                              Operating temperature range    | 
                              -55°C - +85°C    | 
                            
                            
                              Cable weight (approx.)    | 
                              420kg/km/480kg/km    | 
                            
                          
                          Attenuation
                          
                            
                              Frequency(MHz)    | 
                              Attenuation (dB/100 m)     | 
                              Attenuation (dB/100 ft)    | 
                            
                            
                              75   | 
                              1.2   | 
                              0.37   | 
                            
                            
                              150   | 
                              1.8   | 
                              0.55   | 
                            
                            
                              450   | 
                              3.3   | 
                              1.01   | 
                            
                            
                              800   | 
                              5.1   | 
                              1.55   | 
                            
                            
                              900   | 
                              5.5   | 
                              1.68   |