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Coaxial Cables |  |
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LMR Coax
Product type: LMR 300
Construction :
| Item | Material | Diameter (mm) |
|---|---|---|
| Inner Conductor | Bare Copper | 1.78 |
| Dielectric | Foam PE | 4.83 |
| First Shield | Bonded Aluminum Foil | 4.98 |
| Second Shield | Tinned Copper wire Braid | 5.72 |
| Jacket | PE (Black) | 7.62 |
Electrical:
| Impedance (Ω) | 50±3 |
| Capacitance (pF/m) | 78.4 |
| Velocity of Propagation (%) | 85.0 |
| Return Loss | ≥ 20 |
| Screening Effectiveness (dB) | ≥ 90 |
| DC Resistance(Ω/KM) | |
| Inner Conductor | 7.0 |
| Outer Conductor | 7.3 |
| Voltage withstand (Volts DC) | 2000.0 |
| Installation Temp. (ºC) | -40 to +85 |
| Operating Temp. (ºC) | -40 to +85 |
| Attenuation ( @ 20 ºC ) | |
| Frequency (MHz) | Max Attenuation (dB/100mm) |
| 30 | 3.5 |
| 50 | 4.5 |
| 150 | 7.9 |
| 220 | 9.6 |
| 450 | 13.8 |
| 900 | 19.9 |
| 1500 | 26.0 |
| 1800 | 28.7 |
| 2000 | 30.3 |
| 2500 | 34.2 |
| 5800 | 54.2 |