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 | 715 Series |
Construction Type | Welded |
Jacket Color | Black |
Short Description | QR 715 JCASS SM MT PR7278 |
Dimensions
Cable Length | 914.4 m | 3000 ft |
Diameter Over Center Conductor, nominal | 4.216 mm | 0.166 in |
Diameter Over Dielectric, nominal | 17.424 mm | 0.686 in |
Diameter Over Jacket, nominal | 19.939 mm | 0.785 in |
Diameter Over Outer Conductor, nominal | 18.161 mm | 0.715 in |
Jacket Thickness, nominal | 0.889 mm | 0.035 in |
Outer Conductor Thickness, nominal | 0.368 mm | 0.0145 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 | 1.903 ohms/km | 0.58 ohms/kft |
dc Resistance, Loop, nominal | 3.281 ohms/km | 1 ohms/kft |
dc Resistance, Outer Conductor, nominal | 1.378 ohms/km | 0.42 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 | 0.360 | 0.110 |
55.0 MHz | 1.210 | 0.370 |
85.0 MHz | 1.510 | 0.460 |
204.0 MHz | 2.400 | 0.730 |
211.0 MHz | 2.430 | 0.740 |
250.0 MHz | 2.660 | 0.810 |
300.0 MHz | 2.920 | 0.890 |
350.0 MHz | 3.180 | 0.970 |
400.0 MHz | 3.440 | 1.050 |
450.0 MHz | 3.670 | 1.120 |
500.0 MHz | 3.900 | 1.190 |
550.0 MHz | 4.100 | 1.250 |
600.0 MHz | 4.300 | 1.310 |
750.0 MHz |