7/8'' aluminum feeder cable rf coaxial low loss cable tele communication cable antenna cable base station cable black

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

Inner conductor DC resistance(Ω/km)

1.42

Outer conductor DC resistance(Ω/km)

1.30

Characteristic impedance(Ω)

50±1.5

Capacitance(p F/m)

73

Velocity(%)

91

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

1.75

4.83

450

2.71

2.88

800

3.67

2.09

900

3.89

1.98

1000

4.16

1.92

1500

5.19

1.55

1800

5.82

1.35

2000

6.09

1.30

2200

6.47

1.26

2500

6.86

1.20

3000

7.74

1.08

VSWR

800MHz~1000MHz

1.10

1700MHz~2200MHz

1.13

2500MHz~3000MHz

1.15