M17/155-RG 58 (RG 58 C/U) 
                        
                          
                          Construction
                          
                            
                              Inner conductor    | 
                              Tinned copper    | 
                              19 x 0.18 mm    | 
                            
                            
                              Dielectric    | 
                              Low density PE    | 
                              Φ2.95 ± 0.10 mm    | 
                            
                            
                              Outer conductor (shield)    | 
                              Tinned copper    | 
                              112 x 0.13 mm    | 
                            
                            
                              Shield coverage    | 
                                 | 
                              95%    | 
                            
                            
                              Sheath    | 
                              PVC or LSZH    | 
                              Φ5.00 ± 0.10 mm    | 
                            
                          
                          Electrical & Mechanical Characteristics
                          
                            
                              | Impedance | 
                              53±3 Ohm0 | 
                            
                            
                              | Nominal capacitance | 
                              100pF/m | 
                            
                            
                              | Velocity of propagation | 
                              66% | 
                            
                            
                              | Insulation resistance | 
                              >2000 Mohm.Km | 
                            
                            
                              | Inner conductor resistance | 
                              37.5 Ohm/Km | 
                            
                            
                              Outer conductor resistance    | 
                              16.5 Ohm/Km    | 
                            
                            
                              Test/Operatig Voltage(max)    | 
                              5KV/2.5KV    | 
                            
                            
                              Operating temperature range   | 
                               -30 °C - +70 °C    | 
                            
                            
                              Copper Weight    | 
                              18.7 Kg/Km    | 
                            
                            
                              Cable weight (approx.)    | 
                              39.9 Kg/Km    | 
                            
                            
                              Screening effectiveness    | 
                              100-900 MHz    | 
                              >55dB    | 
                            
                          
                          Attenuation
                          
                            
                              Frequency (MHz)   | 
                              Attenuation (dB/100 m)     | 
                              Attenuation (dB/100ft)   | 
                            
                            
                              | 50 | 
                              10.8  | 
                              3.29  | 
                            
                            
                              100  | 
                              16.0  | 
                              4.88  | 
                            
                            
                              200   | 
                              24.0 | 
                              7.32  | 
                            
                            
                              400   | 
                              37.7 | 
                              11.49  | 
                            
                            
                              500   | 
                              41.3  | 
                              12.59  | 
                            
                            
                              600   | 
                              49.7   | 
                              15.15  | 
                            
                            
                              860   | 
                              64.2  | 
                              19.57  | 
                            
                            
                              1000   | 
                              70.0 | 
                              21.34  | 
                            
                          
                          Return Loss
                          
                            
                              30-300 MHz    | 
                              >27dB   | 
                            
                            
                              300-600 MHz    | 
                              >23dB   | 
                            
                            
                              600-900 MHz    | 
                              >22dB    |