RG 11URM (URM 57)
Construction
Inner conductor |
Plain copper |
1.15 mm |
Dielectric |
Low density PE |
Φ7.25 ± 0.18 mm |
Outer conductor (shield) |
Plain copper |
192 x 0.18 mm |
Shield coverage |
|
97% |
Sheath |
PVC or LSZH |
Φ10.3 ± 0.18 mm |
Electrical & Mechanical Characteristics
Impedance |
75±5 Ohm |
Nominal capacitance |
67 pF/m |
Velocity of propagation |
66% |
Insulation resistance |
>2000 Mohm.Km |
Inner conductor resistance |
16.6 Ohm/Km |
Outer conductor resistance |
4.5 Ohm/Km |
Operating temperature range |
-30 °C - +70 °C |
Copper weight |
58.3 Kg/Km |
Cable weight (approx.) |
146.7 Kg/Km |
Screening effectiveness |
>55 dB |
Attenuation
Frequency(MHz) 50 |
Attenuation (dB/100 m) 3.8 |
Attenuation (dB/100ft) 1.16 |
100 |
5.5 |
1.68 |
200 |
8.2 |
2.5 |
400 |
12 |
3.66 |
500 |
13.6 |
4.15 |
600 |
15 |
4.57 |
860 |
18.8 |
5.73 |
1000 |
20.7 |
6.31 |
Return Loss
30-300 MHz |
>30dB |
300-600 MHz |
>27dB |
600-900 MHz |
>25dB |
