Surelink QR540 TRUNK CABLE CATV coaxial cableStandard Construction
0.124 in.(3.15mm) copper clad aluminum or copper center conductor;
gas expanded polyethylene dielectric;
continuous aluminum outer conductor;
flame retardant polyethylene (PE) jacket.Nominal O.D. 0.610 in. (15.49mm).
qr540 cable
Physical Diamensions
Component | Inches | mm |
Nominal Center Conductor Diameter | 0.124 | 3.15 |
Nominal Diameter Over Dielectric | 0.514 | 13.03 |
Nominal Diameter Over Outer Conductor | 0.540 | 13.72 |
Nominal Outer Conductor Thickness | 0.0135 | 0.343 |
Nominal Diameter Over Jacket | 0.610 | 15.49 |
Nominal Jacket Wall Thickness | 0.035 | 0.89 |
Messenger Versions |
Diameter of Steel Messenger | 0.109 | 2.77 |
Mechanical Characteristics
Minimum Bending Radius (Jacketed) | 4.0 in. 10.2cm |
Maximum Pulling Tension | 220 lbs. 100 kgf |
Minimum Breaking Strength Of Messenger | 1800 lbs.816 kgf |
Electrical Characteristics
Capacitance | 15.3 ¡À1.0 pf/ft 50 ¡À3.0 nf/km |
Impedance | 75 ¡À2 ohms |
Velocity of Propagation | 0.88 |
Shielding Effectiveness | >100dB |
Attenuation[@ 68¡£ (20¡£ )]F. C
Frequency (MHz) | (dB/100ft.) | (dB/100m) |
5 | 0.14 | 0.46 |
55 | 0.47 | 1.54 |
211 | 0.95 | 3.12 |
250 | 1.03 | 3.38 |
270 | 1.07 | 3.51 |
300 | 1.13 | 3.71 |
325 | 1.18 | 3.87 |
350 | 1.23 | 4.03 |
400 | 1.32 | 4.33 |
450 | 1.40 | 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 |
Manufacturer Introduction |
Zhuhai Surelink Communication Cable Co.,Ltd is one of the leading manufacturer in the cables
and telecom accessories. We have more than 20 years experience in this line.Our factory has over
twenty production lines and 300 employees.
Our productions comply with ISO9001.Professional team,powerful factory and strict quality control give
best service to our clients and the quality guarantee in every order.
Our products have been widely installed in Telecom companies and many distributors around the world.
We export to more than 70 countries and our annual revenue is more than hundreds of million USD.
We have established a close relationship with many companies around the world and we sincerely look
forward to woking with all clients from all over the world. OEM and ODM order highly welcome ! Workshop and Company Show |
PaymentWe usually use T/T
T/T deposit before production and balance when shipment.
Payment terms: Western Union, Escrow, Paypal, T/T ,L/CShippingIf the quantity of the order is not very big, we usually send by express delivery,such as TNT,DHL,UPS,
FEDEX or EMS.
For big order,we will ship the goods by air or by sea.