Please do not hesitate to contact us if you require any further information

Foreign Commercial Manager : +989125708854

SKU: FC-Feeder-cable-NK-7/8 Categories: , ,

NK 7/8″ feeder cable is a coaxial cable and its impedance is 50 ohms and also Its outer conductor made from corrugated copper and also its inner conductor is a copper tube. NK Cables’ feeder cables have been designed to meet the highest quality and environmental standards. the feeder cables are produced in Oulu Finland, China and Brazil. the feeder cable mainly used for the connection of transmitter, receiver and antenna.

 • High quality and excellent performances
• Low attenuation
• Complete Shielding for minimizing system interference

 

 

Technical Specifications
Construction Specifications
Copper tube Inner conductor
Cellular Polyethylene Dielectric
Corrugated Copper tube Outer Conductor
Min. installation temperature UV retardancy IEC 60332-3 C
fire retardant
IEC 61034
low smoke emission
IEC 60754 -1/-2
halogen free, non corrosive
Jacket Type Sheath
-40°C Yes No No Yes Black HD polyethylene RFS 7/8″ -50
-5°C No Yes Yes Yes Grey, halogen free fire retardant thermoplastic RF 7/8″ -50 GHF
-5°C Yes Yes Yes Yes Black, halogen free fire retardant thermoplastic RF 7/8″ -50 BHF
Physical Dimensions
9.0mm Inner conductor diameter
22.2 mm Dielectric diameter
24.9 mm Outer Conductor diameter
27.5 mm Sheath
Diameter
Electrical Specifications
76 pF/m Capacitance
50±1 ohms Impedance
0.185 μH/m
(0.056 μH/ft)
Inductance
0.88 Velocity factor
5300 MHz Cut-off frequency
3000 MHz Maximum operating frequency
3.2 KV Peak RF voltage rating
89 KW Peak power rating
1.04 Ω/km DC-resistance inner conductor
0.97 Ω/km DC-resistance outer conductor
Mechanical & Environmental Specifications
550 kg/km Weight
1800 N Maximum pulling force
120 mm Minimum bending radius, single bending
250 mm Minimum bending radius, repeated bending
-40 to+70 °C Operating   temperature range

 

Attenuation & Average Power
Power rating
ambient +40°C
inner conductor +100°C
kW
Attenuation
ambient temperature +20°C
dB/100m
max
Attenuation
ambient temperature +20°C
dB/100m
typical
Frequency
MHz
26 0.367 0.362 10
15 0.642 0.632 30
12 0.835 0.821 50
 8.0 1.20 1.18 100
5.6 1.72 1.69 200
4.5 2.14 2.09 300
  3.8 2.50 2.44 400
3.6 2.66 2.60 450
3.4 2.82 2.75 500
3.1 3.12 3.04 600
2.8 3.39 3.31 700
2.6 3.65 3.56 800
2.5 3.78 3.68 850
2.5 3.90 3.80 900
2.4 4.02 3.91 950
2.3 4.14 4.03 1000
2.1 4.59 4.46 1200
1.9 5.01 4.86 1400
1.8 5.41 5.25 1600
1.7 5.79 5.61 1800
1.6 5.98 5.79 1900
1.6 6.16 5.96 2000
1.5 6.52 6.30 2200
1.4 6.86 6.62 2400
1.3 7.19 6.94 2600
1.3 7.52 7.25 2800
1.2 7.84 7.55 3000

 

Download Catalog

We have a global sales team to assist you with a variety of topics like new orders, activations, and managing your orders. If you would like our sales team to contact you, please complete the form below. …
You can unsubscribe at any time.
Factory
Mobile:
+989128436521
Phone:
+987137742627 (EXT 1)
+987137742628 (EXT 1)
Fax :
+987137742169 (EXT 9)
Tehran office
Mobile:
+989125708854
Phone :
+982188600818 (EXT 205)
Fax:
+982188600818 (EXT 5)

Leave a Reply

Your email address will not be published. Required fields are marked *