
ZTT offers a comprehensive copper leaky cable, capable of producing 1/2″, 7/8 “, 1-1/4”, 1-5/8 “. ZTT has won the single championship for leaky cable and has the first simulation tunnel testing system in China.
Construction of Cable
|
Item |
Diameter(mm) | Material |
| Inner conductor | 13.1±0.3 |
Copper tube |
|
Insulation |
/ | Foamed polyethylene |
| Outer copper conductor | 33.5±0.3 |
Overlapping corrugated copper foil |
|
Jacket |
38.0±0.4 |
PE / LSZH flame retardant polyolefin |
Mechanical Characteristics
|
Item |
Unit | Nominal value |
| Min. static bending radius | mm |
500 (Single bend) |
|
Installation temperature |
℃ | -25~+60 ℃ |
| Operation temperature | ℃ |
-20~+85 ℃ |
|
Storage temperature |
℃ |
-55~+85 ℃ |
Electrical Characteristics
| Item | Specification | |
| Characteristics impedance | 50±2Ω | |
| Velocity | 88% | |
| Polarization direction | Vertical polarization | |
| Capacitance | 77pF/m | |
| Min. insulation resistance | 5000 MΩ·km | |
| Stop band | 500~600MHz, 2170-2300MHz, 2400-2515MHz,3300-3400Mhz | |
| Dielectric strength | 10000V( DC,1 min.) | |
| Jacket spark test voltage | 8000V(AC) | |
| VSWR within working frequency band | 698-960MHz | 1.3 |
| 1700-1900MHz | 1.3 | |
| 1920-2025MHz | 1.4 | |
| 2110-2170MHz | 1.4 | |
| 2300~2400MHz | 1.4 | |
| 2515~2675MHZ | 1.4 | |
| 3400~3800MHZ | 1.4 | |
Note: The tolerance of VSWR shall be ±3%.
Attenuation
|
Frequency(MHz) |
Attenuation(dB/100m) | Coupling loss
(50%/95%,2m) |
| 698 | 2.5 |
82/91 |
|
800 |
2.7 | 79/86 |
| 900 | 2.9 |
77/82 |
|
1700 |
4.5 | 74/80 |
| 1800 | 4.7 |
66/74 |
|
1900 |
4.9 | 64/75 |
| 2000 | 5.1 |
70/71 |
|
2100 |
5.2 | 71/77 |
| 2200 | 5.4 |
69/72 |
|
2300 |
5.6 | 70/74 |
| 2400 | 5.8 |
70/75 |
|
2500 |
6.0 | 69/72 |
| 2600 | 6.2 |
70/76 |
|
2700 |
6.4 | 70/74 |
| 3300 | 7.9 |
65/70 |
|
3400 |
8.2 | 64/69 |
| 3500 | 8.5 |
65/68 |
|
3600 |
9.2 | 64/69 |
| 3700 | 9.5 |
64/68 |
|
3800 |
10.5 |
66/70 |
Note: The tolerance of Attenuation shall be ±10%.The tolerance of Coupling loss shall be ±5dB.
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