D-FB Series Low Loss Braiding Cable is designed for wireless communication systems, RF signal transmission, telecom networks, antenna feeder applications and other 50 Ohm communication projects. This series provides low attenuation, stable electrical performance and reliable shielding effectiveness for different installation requirements.
Available in multiple models, the D-FB series offers flexible cable size options for indoor and outdoor RF transmission projects. It is suitable for base stations, signal distribution systems, telecom equipment connections and other low loss coaxial cable applications.
Available Models
| Model |
Typical Positioning |
| 3D-FB |
Compact low loss RF cable applications |
| 5D-FB |
General communication and feeder applications |
| 7D-FB |
Medium-size low loss transmission projects |
| 8D-FB |
Improved low loss feeder applications |
| 10D-FB |
Longer distance and lower attenuation requirements |
| 12D-FB |
Higher capacity low loss RF transmission projects |
Construction Data
| Model |
Inner Conductor (mm) |
Dielectric (mm) |
Max Shield (mm) |
Jacket (mm) |
| 3D-FB |
1.08 |
3.0 |
3.7 |
5.4 |
| 5D-FB |
1.8 |
5.0 |
5.8 |
7.5 |
| 7D-FB |
2.6 |
7.3 |
8.1 |
9.8 |
| 8D-FB |
2.8 |
7.8 |
8.7 |
11.1 |
| 10D-FB |
3.5 |
10.0 |
11.0 |
13.0 |
| 12D-FB |
4.4 |
12.4 |
13.2 |
15.6 |
Electrical Characteristics
| Item |
3D-FB |
5D-FB |
7D-FB |
8D-FB |
10D-FB |
12D-FB |
| Impedance (Ω) |
50±2 |
50±2 |
50±2 |
50±2 |
50±2 |
50±2 |
| Capacitance (pF/m) |
82 |
82 |
82 |
82 |
82 |
82 |
| Velocity of Propagation (%) |
82 |
82 |
82 |
83 |
83 |
81 |
| Min Screening Effectiveness (dB) |
90 |
90 |
90 |
90 |
90 |
90 |
| Return Loss (dB) |
≥20.8 |
≥20.8 |
≥20.8 |
≥20.8 |
≥20.8 |
≥20.8 |
Typical Attenuation (dB/100m)
| Frequency |
3D-FB |
5D-FB |
7D-FB |
8D-FB |
10D-FB |
12D-FB |
| 100 MHz |
10.40 |
6.3 |
4.3 |
4.1 |
3.2 |
2.7 |
| 150 MHz |
13.0 |
7.8 |
5.3 |
5.1 |
4.0 |
3.4 |
| 280 MHz |
17.50 |
10.9 |
7.3 |
7.1 |
5.6 |
4.7 |
| 350 MHz |
19.50 |
12.2 |
8.3 |
8.1 |
6.3 |
5.3 |
| 400 MHz |
21.50 |
13.0 |
9.0 |
8.7 |
7.0 |
5.7 |
| 800 MHz |
30.20 |
18.9 |
13.1 |
12.9 |
10.2 |
8.5 |
| 900 MHz |
31.80 |
20.2 |
14.2 |
13.8 |
11.0 |
9.1 |
| 1200 MHz |
37.20 |
24.0 |
16.7 |
16.3 |
12.0 |
10.7 |
| 1500 MHz |
41.50 |
27.2 |
19.0 |
18.6 |
13.1 |
10.8 |
| 1800 MHz |
45.60 |
29.7 |
21.1 |
20.8 |
16.8 |
12.3 |
| 1900 MHz |
46.80 |
31.3 |
21.8 |
21.5 |
17.4 |
13.7 |
| 2000 MHz |
48.20 |
32.5 |
22.5 |
22.1 |
18.0 |
14.2 |
| 2200 MHz |
50.40 |
33.3 |
23.8 |
23.5 |
18.8 |
14.6 |
| 2500 MHz |
54.10 |
35.8 |
25.7 |
25.4 |
20.5 |
14.9 |
| 3000 MHz |
60.30 |
40.9 |
29.5 |
28.4 |
22.5 |
18.3 |
Environmental Performance
| Jacket |
Operating Temperature Range |
| FRNC |
-30°C to 85°C |
| PE |
-40°C to 85°C |
Applications
| Wireless communication systems |
| Telecom RF signal transmission projects |
| Antenna feeder systems |
| Indoor and outdoor communication installations |
| Base stations and signal distribution networks |
Note: Specifications vary by model. This series includes 3D-FB, 5D-FB, 7D-FB, 8D-FB, 10D-FB and 12D-FB to meet different attenuation, cable size and installation requirements.
