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How to distinguish good and bad telephone line

1, trustworthy brand list, product quality is guaranteed.


2, the use of imported high-purity oxygen-free copper conductor telephone line, transmission attenuation, low signal loss, clear sound without noise, no sense of distance calls.


3, transparent sheath with high-grade telephone line outside was expected, acid corrosion, anti-aging, long service life.


4, sheathed telephone line using a transparent material, has good mechanical properties, electrical properties and thermal stability content, lead, cadmium and other heavy metals and heavy metal compounds is very low.


5, the use of imported polypropylene telephone lines, high purity, lower transmission attenuation, higher transmission speeds, suitable for broadband Internet access, video telephony can achieve high transmission speed.

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