Trunk cable QR500

Specifications 1.OEM & Sample Free

2,ISO9001,CE,ETL,RoHS,Reach

3,Widely used in broadband data transmission

Trunk Cable QR500   Our Company has been trading since September 1995. We export various types of cables to the world market.    The Company's owners and employees have many years experience in the cable business and know the customer's need very well. 
Our main aim is to supply a high quality approved product and service at competitive prices. 
We continue to invest in the business to meet the market's requirements and to keep our customers satisfied with our service and the quality of our product.          1. Applications     (1) CATV-community antenna television.  (2) CCTV-closed-circuit television.  (3) DBS-direct broadcasting satellite.   2. Brief Specication    

Physical dimensions
Component	mm	material
Nominal center conductor diameter	2.77±0.03	Copper clad aluminum
Nominal diameter over dielectric	11.43±0.20	Physical foamed PE
Nominal diameter over outer conductor	12.70	Al-tape welded by argon arc welding
Nominal diameter over jacket	14.22	Polyethylene
Diameter of steel messenger	2.77	Steel messenger

 

Electrical characteristics at 20°C
Capacitance	50±2.0pF/m
Impedance	75±2Ω
Velocity of propagation	87%
Shielding effectiveness	≥110dB

                    

D.C Resistance at 68 ºF or 20°C
Copper claded Aluminum
Inner conductor	4.43Ω/km
Outer conductor	1.21Ω/km
Loop	5.64Ω/km

  

Attenuation 20°C
Frequency(MHz)		Maximum(dB/100m)
5		0.52
55		1.77
211		3.58
350		4.69
450		5.35
550		5.97
600		6.27
750		7.09
865		7.68
1000		8.27
Return loss,dB
5-1000MHz	≥22

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