
540 Series CATV Trunk Coaxial Cable Qr540 with Optional Messenger
Capacitance: 15.3±1pF/ft(50±3nf/km)
Impedance: 75± 2Ω
Product Introduction
Our development tenet is to win the trust of customers with excellent product quality, satisfy customers with systematic CAT6 Lan Cable, Assembly LMR400 With N/SMA/TNC Connector, Coaxial Cable 11 Vatc. We fulfill corporate responsibilities and implement sustainable development strategies, strive to provide customers with excellent solutions in order to build sustainable and stable customer relationships. We always adhere to the international boutique product quality and the service concept of love, sparing no effort to contribute our own strength to social harmony.
QR540 Aluminum Tube Cable Application:
Construction Parameters:
Inner Conductor | 0.124’’/3.15+0.01mm Bare Copper |
Dielectric | 0.514’’/13.05±0.05mm Foam PE |
Shield | 0.0135’’/0.343mm Aluminum Tube |
Jacket | 0.0135’’/15.49±0.2mm PVC |
Jacket Thickness | 0.035’’/0.89mm |
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 |
FAQ
Q1: Are you a factory or a trade company?
A1: We are a professional manufacturer .
Q2: Where are you located?
A2: We are located in Hangzhou,Zhejiang province, China.
Q3: How many years have you engaged in this business?
A3: We have been engaged in this business for more than 10 years.
Q4: How long is your delivery time(lead time)?
A4: If the product is in stock within 5 days, the customized product must be determined according to the actual quantity.
Q5: What’s the MOQ (Minimum Order Quantity)?
A5: Generally, the minimum order is 30km, but it depends on which model of the product
Q6: Can you do our design?
A6: Of course, your customized design (OEM) is available.




Our 540 Series CATV Trunk Coaxial Cable Qr540 with Optional Messenger has excellent technology, standardized manufacturing process and high performance that is welcomed by customers. We provide our customers with high quality and high value specialized products and services. We will focus on introducing advanced technology, modern management experience and specialized talents to enhance our corporate competitiveness.
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