China SDI Plenum Rg7/U CCTV CATV Cable, Find details about China CATV, CCTV from SDI Plenum Rg7/U CCTV CATV Cable
| Structure | Material | RG7 DUAL | RG7 TRI | RG7 QUAD |
| Conductor | BC/CCS | 1.02mm(18AWG, 0.04") | ||
| Dielectric | FPE | 4.57mm (0.18") | ||
| 1st Shield | AI Foil | 100%, Overlap>2mm | ||
| 2nd Shield | BC or AI Braiding | 30%-95% | 60% | |
| 3rd Shield | AI Foil | - | 100%, Overlap>2mm | |
| 4th Shield | BC or AI Braiding | - | - | 40% |
| Jacket PVC/PE | Outer Diameter | 6.91mm(0.272") | 7.02mm(0.276") | 7.62mm(0.30") |
| Nominal Thickness | 0.76mm(0.030") | 0.76mm(0.030") | 0.86mm(0.034") | |
| Messenger | Steel | 1.30mm or 1.83mm | ||
| Dielectic Adhesion | >20N/5cm | |||
| Breaking Strength of Messenger | 1.30mm 82kgf; 1.83mm 166kgf | |||
| Impendence | 75±3 Ohm | |||
| Capacitance | 50±3.0 nf/KM | |||
| Velocity of Propagation | 83±2% | |||
| Shielding Effectiveness | 55MHz | ≥60dB | ||
| 300MHz | ≥70dB | |||
| 1000MHz | ≥70dB | |||
| Return Loss(100% swept) | 1~470MHz | ≥22dB | ||
| 470~1000MHz | ≥20dB | |||
| 1000~2200MHz | ≥18dB | |||
| For CATV | For Satellite | |||
| Frequency(MHz) | Max.(dB/100m) | Max.(dB/100ft) | Frequency(MHz) | Max.(dB/100m) |
| 5 | 1.90 | 0.58 | 1 | 0.82 |
| 55 | 5.25 | 1.60 | 10 | 2.30 |
| 83 | 6.40 | 1.95 | 50 | 4.79 |
| 187 | 9.35 | 2.85 | 100 | 6.40 |
| 211 | 10.00 | 3.05 | 200 | 8.96 |
| 250 | 10.28 | 3.14 | 400 | 12.46 |
| 300 | 11.64 | 3.55 | 700 | 17.05 |
| 350 | 12.63 | 3.85 | 900 | 19.34 |
| 400 | 13.61 | 4.15 | 1000 | 20.65 |
| 450 | 14.43 | 4.40 | 1200 | 22.30 |
| 500 | 15.09 | 4.60 | 1450 | 24.91 |
| 550 | 16.08 | 4.90 | 1800 | 26.58 |
| 600 | 16.73 | 5.10 | 2200 | 32.12 |