Surelink QR750 with Messenger TRUNK CABLE CATV Coaxial Cable
Standard Construction
in.(4.24mm) copper clad aluminum or copper center conductor;
gas expanded polyethylene dielectric;
continuous aluminum outer conductor;
flame retardant polyethylene (PE) jacket.Nominal O.D. 0.820 in. (20.83mm).
Physical Diamensions
| Component |
Inches |
mm |
| Nominal Center Conductor Diameter |
0.167 |
4.24 |
| Nominal Diameter Over Dielectric |
0.680 |
17.27 |
| Nominal Diameter Over Outer Conductor |
0.750 |
19.05 |
| Nominal Outer Conductor Thickness |
0.035 |
0.91 |
| Nominal Diameter Over Jacket |
0.820 |
20.83 |
| Nominal Jacket Wall Thickness |
0.035 |
0.90 |
| Messenger Versions |
| Diameter of Steel Messenger |
0.188 |
4.78 |
Mechanical Characteristics
| Minimum Bending Radius (Jacketed) |
8.0 in. 20.3cm |
| Maximum Pulling Tension |
675 lbs. 306 kgf |
| Minimum Breaking Strength Of Messenger |
3900 lbs.1769 kgf |
Electrical Characteristics
| Capacitance |
15.3 ¡À1.0 pf/ft 50 ¡À3.0 nf/km |
| Impedance |
75 ¡À2 ohms |
| Velocity of Propagation |
0.87 |
| Shielding Effectiveness |
>100dB |
Attenuation[@ 68¡£ (20¡£ )]F. C
| Frequency (MHz) |
(dB/100ft.) |
(dB/100m) |
| 5 |
0.11 |
0.36 |
| 55 |
0.37 |
1.21 |
| 211 |
0.74 |
2.43 |
| 250 |
0.81 |
2.66 |
| 270 |
0.84 |
2.76 |
| 300 |
0.89 |
2.92 |
| 325 |
0.93 |
3.05 |
| 350 |
0.97 |
3.18 |
| 400 |
1.05 |
3.44 |
| 450 |
1.12 |
3.67 |
| 500 |
1.18 |
3.87 |
| 550 |
1.24 |
4.07 |
| 600 |
1.31 |
4.30 |
| 750 |
1.48 |
4.86 |
| 865 |
1.61 |
5.28 |
| 1000 |
1.74 |
5.71 |
| 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 |
Payment
We usually use T/T
T/T deposit before production and balance when shipment.
Payment terms: Western Union, Escrow, Paypal, T/T ,L/C
Shipping
If 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.
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