ASTEL TMR-400 Solid Copper 50 Ohm RF Coaxial Cable
ASTEL TMR-400 Solid Copper Series is a 50 Ohm RF coaxial cable designed for wireless communication, RF transmission, and antenna feeder applications. Model C-TMR-400-PVC features a 2.74mm solid bare copper centre conductor, foamed PE dielectric, AL/PS/AL tape shielding, and 97% tinned copper braid coverage for effective signal shielding.
Supporting frequencies up to 6GHz, the cable offers 50±3 Ohm impedance, an 85% propagation velocity ratio, and a durable PVC outer jacket. Its construction is suitable for professional RF installations requiring consistent signal transmission and shielding performance.
Key Features
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Product model: C-TMR-400-PVC
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TMR-400 Series 50 Ohm RF coaxial cable
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Solid bare copper centre conductor
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Centre conductor diameter: 2.74mm
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Foamed PE dielectric
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Dielectric diameter: 7.24mm
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AL/PS/AL tape first outer conductor
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First shield diameter: 7.39mm
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Tinned copper braid shielding
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Braid coverage: 97%
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Braid structure: 24 × 7 × 0.16mm
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PVC outer jacket
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Overall jacket diameter: 10.30mm
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Maximum working frequency: 6GHz
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Characteristic impedance: 50 ± 3 Ohms
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Propagation velocity ratio: 85%
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Inner conductor DC resistance: 3.50 Ohms/km at 20°C
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Outer conductor DC resistance: 5.41 Ohms/km at 20°C
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Insulation resistance: ≥10,000 MΩ·km
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Operating temperature: -40°C to +70°C
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Installation temperature: -20°C to +70°C
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Suitable for RF communication and antenna feeder installations
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250m reel option listed in the product specifications
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