
Qr540 Trunk Cable with Galvanized Steel Messenger, Black PE (QR540JCAM-109)
Product Introduction
We will make just about every exertion for RG6 Coaxial Cable For Sale, Multimode Simplex FC-FC Optic Patch Cord, HOT SALE NETWORK CABLE UTP. We emphasize the image and status of the company's internal and external in the society, and establish our own brand. Your satisfaction is our motivation! With our superb management, potent technical capability and strict quality command procedure, we go on to provide our shoppers with trustworthy high-quality, reasonable costs and outstanding services.
Construction Parameters
Inner Conductor | 0.124/3.15+0.01mm Pure Copper |
Dielectric | 0.514/13±0.05mm Foam PE |
Shield | 0.0135/0.343mm Aluminum Tube |
Jacket | 0.0135/15.5±0.2mm PVC |
Jacket Thickness | 0.035/0.8mm |
Electrical Characteristics
DC LOOP Resistance | 1.61W/1000ft(5.28W/km ) |
Capacitance | 15.3±1pF/ft(50±3nf/km) |
Impedance | 75± 2Ω |
Velocity of Propagation | 88% |
Attenuation(20℃)
Frequency(MHz) | Attenuation(dB/100FT) | Attenuation(dB/100M) |
5 | 0.14 | 0.46 |
55 | 0.47 | 1.54 |
83 | 0.58 | 1.9 |
211 | 0.95 | 3.12 |
250 | 1.03 | 3.38 |
300 | 1.13 | 3.71 |
350 | 1.23 | 4.03 |
400 | 1.32 | 4.33 |
450 | 1.4 | 4.59 |
500 | 1.49 | 4.89 |
550 | 1.56 | 5.12 |
600 | 1.64 | 5.38 |
750 | 1.85 | 6.07 |
865 | 2.00 | 6.56 |
1000 | 2.17 | 7.12 |
Application
QR540 aluminum tube cable is used for CATV trunk line and DBS-direct broadcasting satellite.




Relying on our own technical advantages and management advantages, we strive to create Qr540 Trunk Cable with Galvanized Steel Messenger, Black PE (QR540JCAM-109) that is superior to the current level in the market in terms of product performance and quality. We attach importance to the quality education and training of employees, and require everyone to be dedicated to their jobs and forge ahead. Quality is the core competitiveness in the market.
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