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7/8" Aluminum RF Feeder Cable

7/8" Aluminum RF Feeder Cable,Inner conductor:9.40±0.10mm

Copper tube+Insulation:22.8±0.25mm Foamed PE+Outer 

conductor:25.3±0.25mm  Annular corrugated Aluminum tube

Model: DT-RFFC-78A Brand: DAYTAI
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Product Description

7/8" Aluminum RF Feeder Cable,Inner conductor:9.40±0.10mm Copper tube+Insulation:22.8±0.25mm Foamed PE+Outer

conductor:25.3±0.25mm Annular corrugated Aluminum tube+Jacket:27.50±0.25mm LLDPE or fire-retardant PE is optional,

PACKING:500M/WOODEN DRUM.   


Specification

Electrical  Characteristics  

Inner conductor DC resistance(Ω/km)

2.35

Outer conductor DC resistance(Ω/km)

1.30

Characteristic impedance(Ω

50±2.0

Capacitance(p F/m)

77

Velocity(%)

90

Dielectric strength(KV)

8.0

Insulation resistance(MΩ/km)

1×104

Peak power rating(KV)

91

Shielding attenuation,(dB)

>>120

Cut-off frequency(GHz)

5.2

Attenuation and Average power(Maximum attenuation value shall be 105% of the nominal attenuation value)

 

Frequency

MHz)

Attenuation

@20,d B/100m)

Average  power(kv)

200

1.82

4.83

450

2.79

2.88

800

3.75

2.09

900

3.96

1.98

1000

4.28

1.92

1500

5.30

1.55

1800

5.98

1.35

2000

6.20

1.30

2200

6.64

1.26

2500

7.08

1.20

3000

7.98

1.08

VSWR 

800MHz~1000MHz

1.15

1700MHz~2200MHz

1.20

2500MHz~3000MHz

1.20

Type 

Standard cable                 HCTALY-50-23

Fire-retardant cable            HCTALYZ-50-23

Construction

Inner conductor

Material

Copper tube

Diameter(mm)

9.40±0.10

Insulation

Material

Foamed PE

Diameter(mm)

22.8±0.25

Outer conductor

Material

Annular corrugated Aluminum tube

Diameter(mm)

25.3±0.25

Jacket

Material

LLDPE or fire-retardant PE

Min.thickness(mm)

1.1

Diameter(mm)

27.50±0.25

Mechnical Characteristics

Bending radius(mm)

Single bend

120


Repeated bend

250

Tensile strength(N)

1450

Cable weight(kg/km)

380

Recommended temperature(

Storage

-70~+85


Installation

-40~+60


Operating

-55~+85


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