RG 58 URM (URM76)
Construction
Inner conductor | Plain copper | 7 x 0.32 mm |
Dielectric | Low density PE | Φ2.95 ± 0.10 mm |
Outer conductor (shield) | Plain copper | 96 x 0.12 mm |
Shield coverage |
| 86% |
Sheath | PVC or LSZH | Φ5.00 ± 0.10 mm |
Electrical & Mechanical Characteristics
Impedance | 50±3 Ohm |
Nominal capacitance | 100 pF/m |
Velocity of propagation | 66% |
Insulation resistance | >2000 Mohm.Km |
Inner conductor resistance | 32 Ohm/Km |
Outer conductor resistance | 17.5 Ohm/Km |
Operating temperature range | -30 °C - +70 °C |
Copper weight | 15.4 Kg/Km |
Cable weight (approx.) | 36.9 Kg/Km |
Screening effectiveness | >55 dB |
Attenuation
Frequency(MHz) | Attenuation (dB/100 m) | Attenuation (dB/100ft) |
50 | 9.4 | 2.87 |
100 | 13.5 | 4.12 |
200 | 19.9 | 6.07 |
400 | 29.2 | 8.9 |
500 | 33.2 | 10.12 |
600 | 36.8 | 11.22 |
860 | 45.6 | 13.9 |
1000 | 50.4 | 15.37 |
Return Loss
30-300 MHz | >28dB |
300-600 MHz | >24dB |
600-900 MHz | >22dB |
