Recommended,al tube 1/2" S feeder cable for bts

                 Item

Diameter(mm)

Material

Inner conductor

3.55

Copper clad Aluminum Wire

Insulation

9.0

Foamed polyethylene

Outer conductor

12.1

Helical corrugated copper tube

Jacket

13.6

Polyethylene

                            Item

Specification

Remarks

Characteristic impedance

50±1Ω

Velocity

82%

Minimum Insulation resistance

5000MΩ.km

DC 500V

Capacitance

80 pF/m

Dielectric strength

3000V

DC (continuance 1 minute)

Peak power rating

15.6kW

RF peak voltage

1400 V

VSWR typical value

1.15

10M-3000MHz

1.10

800M-1000MHz

1.10

1700M-2000MHz

1.10

2100M-2400MHz

Frequency Mhz

Attenuation(dB/100m)

Average power(kw)

10

0.84

8.48

100

3.13

2.63

150

3.91

2.12

200

4.58

1.83

300

5.73

1.47

450

7.16

1.19

500

7.60

1.13

700

9.11

0.97

800

9.88

0.88

900

10.55

0.82

1000

11.20

0.78

1500

14.12

0.62

1700

15.18

0.58

1800

15.70

0.56

1900

16.20

0.54

2000

16.69

0.53

2100

17.17

0.51

2200

17.64

0.50

2400

18.97

0.46

2500

19.03

0.46

2700

19.92

0.44

3000

21.21

0.42

4000

26.20

0.34

5000

30.30

0.29

6000

34.19

0.26

8000

41.51

0.21