| Coaxial Cables | ||||||||||||
RG 58 URM(URM 76)
Construction

| Inner conductor | Plain copper | 7x0.32mm |
|---|---|---|
| Dielectric | Lowdensity PE | Φ2.95±0.10mm |
| Outer conductor(shield) | Plain copper | 96x0.12mm |
| Shield coverage | 86% | |
| Sheath | PVC or LSZH | Φ5.00±0.10mm |
Electrical & Mechanical Characteristics
Impedance :50±3Ohm
Nominal capacitance :100pF/m
Velocity of propagation :66%
Insulation resistance :>2000Mohm.Km
Inner conductor resistance :32Ohm/Km
Outer conductor resistance :17.5Ohm/Km
Operating temperature range :-30°C-+70°C
Coppe rweight :15.4Kg/Km
Cable weight(approx.) :36.9Kg/Km
Screening effectiveness :>55dB
Attenuation
| Frequency(MHz) | Attenuation(dB/100m) | 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
| 30-300MHz | >28dB |
|---|---|
| 300-600MHz | >24dB |
| 600-900MHz | >22dB |







