电话：131 0557 3219
| Coaxial Cable RG59-Series | |||||||
| Physical Characteristics | |||||||
| Component | Inches | mm | |||||
| Inner Conductor Diameter | 0.032 | 0.81 | |||||
| Diameter Over Dielectric | 0.144 | 3.66 | |||||
| Diameter Over 1st Shield | 0.151 | 3.84 | |||||
| Diameter Over 2nd Shield | 0.180 | 4.75 | |||||
| Diameter Over 3rd Shield | 0.185 | 4.70 | |||||
| Diameter Over 4th Shield | 0.215 | 5.46 | |||||
| Diameter Over Jacket | 0.270 | 6.86 | |||||
| Mechanical and Electrical Characteristics | |||||||
| Impedance | 75±3.0 Ohms | ||||||
| Capacitance | 54±3.0(pF/m) | ||||||
| Velocity of Propagation | 87% | ||||||
| Return Loss(dB) | VHF5-300MHz≥ | 22dB | |||||
| UHF300-960MHz≥ | 20dB | ||||||
| Screening Efficiency(dB) | VHF5-50MHz≥ | 85dB | |||||
| UHF200MHz Upward≥ | 90dB | ||||||
| Attenuation[@68°F.(20℃)] | |||||||
| Frequency(MHz) | Maximum(dB/100ft) | Maximum(dB/100m) | |||||
| 5 | 0.86 | 2.82 | |||||
| 55 | 2.05 | 6.73 | |||||
| 83 | 2.45 | 8.04 | |||||
| 187 | 3.6 | 11.81 | |||||
| 211 | 3.8 | 12.47 | |||||
| 250 | 4.10 | 13.45 | |||||
| 300 | 4.45 | 14.6 | |||||
| 350 | 4.8 | 15.75 | |||||
| 400 | 5.10 | 16.73 | |||||
| 450 | 5.4 | 17.72 | |||||
| 500 | 5.7 | 18.70 | |||||
| 550 | 5.95 | 19.52 | |||||
| 600 | 6.2 | 20.34 | |||||
| 750 | 6.97 | 22.87 | |||||
| 865 | 7.52 | 24.67 | |||||
| 1000 | 8.12 | 26.64 | |||||
