We have completed the re-adjustment of the entire product system and operation system to better provide quality MULTIPAIR 25Pair CAT5 Network Cable, Security Alarm Cable, Coaxial SMA Connector LMR240 Cable and services. Adhering to the 'people-oriented, continuous innovation' philosophy, we take customers as the focus, listen to customers' voices, and provide customers with quality products beyond expectations. We have a complete set of advanced production equipment, automatic production technology, scientific process design and large-scale production to minimize the cost and improve competitiveness.

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 sales market has expanded from domestic market to overseas market. The performance of our HFC Communication Hardline Coaxial Cable Qr540 has been gradually in line with the international market. Since the establishment of the company, we have always advocated the business philosophy of 'honest management and credit guarantee', so that every customer who cooperates with us can work at ease and have no worries. We have superb skills, diligence, dedication, integrity, and strict discipline.

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