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 | 540 Series |
Construction Type | Welded |
Jacket Color | Black |
Short Description | QR 540 JCASS SM MT PR2352 |
Dimensions
Cable Length | 1127.76 m | 3700 ft |
Diameter Over Center Conductor, nominal | 3.15 mm | 0.124 in |
Diameter Over Dielectric, nominal | 13.056 mm | 0.514 in |
Diameter Over Jacket, nominal | 15.494 mm | 0.61 in |
Diameter Over Outer Conductor, nominal | 13.716 mm | 0.54 in |
Jacket Thickness, nominal | 0.889 mm | 0.035 in |
Outer Conductor Thickness, nominal | 0.343 mm | 0.0135 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 | 3.346 ohms/km | 1.02 ohms/kft |
dc Resistance, Loop, nominal | 5.282 ohms/km | 1.61 ohms/kft |
dc Resistance, Outer Conductor, nominal | 1.936 ohms/km | 0.59 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 | 0.460 | 0.140 |
55.0 MHz | 1.540 | 0.470 |
85.0 MHz | 1.940 | 0.590 |
204.0 MHz | 3.050 | 0.930 |
211.0 MHz | 3.120 | 0.950 |
250.0 MHz | 3.380 | 1.030 |
300.0 MHz | 3.710 | 1.130 |
350.0 MHz | 4.040 | 1.230 |
400.0 MHz | 4.330 | 1.320 |
450.0 MHz | 4.590 | 1.400 |
500.0 MHz | 4.890 | 1.490 |
550.0 MHz | 5.120 | 1.560 |
600.0 MHz | 5.380 | 1.640 |
750.0 MHz |