How can oil-filled network cables improve signal strength?

January 20, 2026
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Waterproof and Moisture-proof: The internal grease filling effectively prevents moisture intrusion, avoiding copper conductor oxidation and insulation degradation, thus reducing signal attenuation.

Enhanced Interference Resistance: The grease filling makes the cable structure more compact, helping to shield against external electromagnetic interference (such as from mobile phones or microwave ovens near the router) and reducing crosstalk between wire pairs.

Physical Protection: The grease cushions external pressure, protecting the internal conductors and maintaining stable wire pair pitch, which is crucial for maintaining high-frequency signal transmission.

Suitable Scenarios:

Long-Distance Cabling: For network cables exceeding 50 meters, signal attenuation is more pronounced; the grease-filled design better maintains signal quality.

Complex Environments: In environments with strong electromagnetic interference or high humidity, grease-filled network cables provide a more stable connection.