Product Main

Specifications

Construction and Dimensions
Item
Standro
Trishield
Quadshield
Diameter of inner conductor(mm)
0. 81±0. 02
0. 81±0. 02
0. 81±0. 02
Diameter of Dielectric(mm)
3. 66±0. 15
3. 66±0. 15
3. 66±0. 15
Diameter of 1st outer conductor≤(mm)
3. 90
3. 90
3. 90
Diameter of 2nd outer conductor≤(mm)
4. 12
4. 12
4. 12
Diameter of 3rd outer conductor≤(mm)
/
4. 20
4. 20
Diameter of 4th outer conductor≤(mm)
/
/
4. 50
Diameter of Jacket(mm)
≤
6. 30
6. 40
6. 90
Approximate weight(kg/km)
32
34
38
Diameter of messenger steel wire(mm)
1. 13
1. 13
1. 13
Stell wire weight(kg/km)
11
11
11
Attenuation
Electricial Performance
Frequence(MHZ)
Max value(dB/100m)
5
2. 60
50
5. 90
55
6. 20
200
11. 50
211
11. 80
300
14. 10
400
16. 10
450
17. 40
500
18. 10
550
19. 40
600
20. 30
750
22. 90
800
24. 10
860
24. 80
1000
27. 20
1350
31. 52
1750
35. 88
2150
39. 78
DC Resistance of Inner conductor(Ωkm)
163 CCS
 35 BC
Impedance(Ω)
40 AL
20 TC
Capacitance(pF/m)
75±3. 0
Wavevelocity rate%
54±3. 0
Return loss(≥dB)
VHF 5-300MZ≥
 20dB
UHF 300-960MZ≥
 18dB