Description
Specifications
Product Classification
| Regional Availability | North America |
| Product Type | Coaxial hardline cable |
| Product Brand | QR® |
| Government Funding | Build America Buy America (BABA) compliant* |
General Specifications
| Cable Type | 860 Series |
| Construction Type | Welded |
| Jacket Color | Black |
| Short Description | QR 860 JCASS SM PR2171 |
Dimensions
| Cable Length | 899.16 m | 2950 ft |
| Diameter Over Center Conductor, nominal | 5.156 mm | 0.203 in |
| Diameter Over Dielectric, nominal | 21.031 mm | 0.828 in |
| Diameter Over Jacket, nominal | 24.384 mm | 0.96 in |
| Diameter Over Outer Conductor, nominal | 21.844 mm | 0.86 in |
| Jacket Thickness, nominal | 1.143 mm | 0.045 in |
| Outer Conductor Thickness, nominal | 0.406 mm | 0.016 in |
Electrical Specifications
| Capacitance | 50.197 pF/m | 15.3 pF/ft |
| Capacitance Tolerance | ±1.0 pF/ft |
| Characteristic Impedance | 75 ohm |
| Characteristic Impedance Tolerance | ±2 ohm |
| dc Resistance Note | Nominal values based on a standard condition of 20 °C (68 °F) |
| dc Resistance, Inner Conductor, nominal | 1.345 ohms/km | 0.41 ohms/kft |
| dc Resistance, Loop, nominal | 2.395 ohms/km | 0.73 ohms/kft |
| dc Resistance, Outer Conductor, nominal | 1.05 ohms/km | 0.32 ohms/kft |
| Jacket Spark Test Voltage | 5000 Vac |
| Nominal Velocity of Propagation (NVP) | 88 % |
| Operating Frequency Band | 5–3000 MHz |
| Structural Return Loss | 24 dB @ 1003–1218 MHz | 24 dB @ 1219–1794 MHz | 30 dB @ 5–1002 MHz |
| Structural Return Loss, Grade N | ≥24 dB @ 1003–1218 MHz | ≥24 dB @ 1219–1794 MHz | ≥30 dB @ 5–1002 MHz |
Attenuation
| Frequency | Attenuation (dB/100 m) | Attenuation (dB/100 ft) |
| 5.0 MHz | 0.300 | 0.090 |
| 55.0 MHz | 1.050 | 0.320 |
| 85.0 MHz | 1.310 | 0.400 |
| 204.0 MHz | 2.070 | 0.630 |
| 211.0 MHz | 2.100 | 0.640 |
| 250.0 MHz | 2.300 | 0.700 |
| 300.0 MHz | 2.490 | 0.760 |
| 350.0 MHz | 2.720 | 0.830 |
| 400.0 MHz | 2.890 | 0.880 |
| 450.0 MHz | 3.120 | 0.950 |
| 500.0 MHz | 3.280 | 1.000 |
| 550.0 MHz | 3.480 | 1.060 |
| 600.0 MHz | 3.610 | 1.100 |
| 750.0 MHz |

