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From Cables to Connectors, to tools, data and telecommunications equipment, Impulse offers a vast line of products for Indoor and Outdoor Plant, Structured Cabling and Wireless Installations
- Auxiliary Framing
- Cable Racks & Components
- Coax Accessories
- Connectors
- Consumables
- Data, Phone & Security
- Electronic Cables
- Fiber Optics
- Fasteners
- Frame Components
- Fuses & Breakers
- Hook-up Wire
- Industrial
- Isolation
- Landscape Cables
- LMR Flexible Coax
- LMR 400 Flexible Coax
- Low Loss Cables
- PVC Tubing
- Telcoflex
- Wireless
LMR 400
LMR®-400 Flexible Low Loss Communications Coax
| Mechanical Characteristics | Electrical Characteristics | ||
| Inner Conductor -Solid BCCAI | 0.108 in | Cutoff Frequency | 16.2 MHz |
| Dielectric - Foam PE | 0.285 in | Velocity of Propagation | 85% |
| Outer Conductor -Aluminium Tape | 0.291 in | Dielectric Constant | 1.38 |
| Overal Braid - Tinned Copper | 0.320 in | Time Delay | 1.20 nS/ft |
| Jacket | 0.405 in | Impedance | 50 ohms |
| Bend Radius: installation | 1.00 in | Capacitance | 23.9 pF/ft |
| Bend Radius: repeated | 4.0 in | Inductance | 0.060 uH/ft |
| Bending Moment | 0.5 ft-lb | Shielding Effectiveness | >90 dB |
| Weight | 0.068lb/ft | DC Resistance | |
| Tensile Strength | 160 lb | Inner Conductor | 1.39 ohms/1000ft |
| Flat Plate Crush | 40 lb/in | Outer Conductor | 1.65 ohms/1000ft |
| Installation Temperature Range | -40F to +185F | Voltage Withstand | 2500 Volts DC |
| Storage Temperature Range | -94F to +185F | Lacket Spark | 8000 Volts RMS |
| Operating Temperature Range | -40F to +185F | Peak Power | 16 kW |
| Attenuation values & power rating | ||
| Freq MHz | Attenuation dB/100ft | Mean power rating kW |
| 30 | 0.7 | 3.33 |
| 50 | 0.9 | 2.57 |
| 150 | 1.5 | 1.47 |
| 220 | 1.9 | 1.2 |
| 450 | 2.7 | 0.83 |
| 900 | 3.9 | 0.58 |
| 1500 | 5.1 | 0.44 |
| 1800 | 5.7 | 0.4 |
| 2000 | 6.8 | 0.37 |
| 2500 | 6.8 | 0.33 |
| 5800 | 10.8 | 0.21 |
