rf7/8" coaxial cable for tv antenna
rf7/8" coaxial cable for tv antenna
rf7/8" coaxial cable for tv antenna

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rf7/8" coaxial cable for tv antenna

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Model No. : coaxial cable for tv antenna
Brand Name : PTL

Product description

Specifications rf7/8" coaxial cable for tv antenna

1.9.4mmCCA/CU+22.5mm FPE+25mm Al/Cu Tube +27.5mmPE/LOSH

2.Various series

rf7/8" coaxial cable for tv antenna Specifications

Basic Structure

Component

Diameter(mm)

Material

Inner conductor

9.4

Helical corrugated Coppe tube

Insulation

22.5

Foamed polyethylene

Outer conductor

25.0

Annular corrugated copper tube

Jacket

27.5

Polyethylene

 

Electrical Performance

Item

Specification

Remarks

Characteristic impedance

50±2Ω

 

Velocity

88%

 

Minimum Insulation resistance

5000MΩ.km

DC 500V

Capacitance

76 pF/m

 

Dielectric strength

6000V

DC (continuance 1 minute)

Peak power rating

90kW

 

RF peak voltage

3100 V

 

VSWR typical value

1.15

10M-3000MHz

 

1.10

800M-1000MHz

 

1.10

1700M-2000MHz

 

1.10

2100M-2400MHz

 

Attenuation  

Frequency Mhz

Attenuation(dB/100m)

Average power(kw)

10

0.39

21.72

100

1.30

6.67

150

1.61

5.45

200

1.87

4.65

300

2.31

3.74

450

2.88

3.03

500

3.05

2.85

700

3.66

2.41

800

3.93

2.22

900

4.19

2.09

1000

4.44

1.97

1500

5.58

1.57

1700

5.98

1.46

1800

6.18

1.41

1900

6.37

1.36

2000

6.55

1.32

2100

6.75

1.29

2200

6.93

1.26

2400

7.29

1.21

2500

7.45

1.18

2700

7.80

1.11

3000

8.28

1.05

4000

8.93

0.99

5000

9.84

0.90

6000

11.24

0.79

  Applications:
1) CATV-community antenna television
2) CCTV-closed-circuit television
3) DBS-direct broadcasting satellite
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