Specializing in R&D & Production in xPON & Optical Communication & CATV & Ethernet Networking

HANGZHOU DAYTAI NETWORK TECHNOLOGIES CO.,LTD.

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7/8
7/8
7/8
7/8" Low loss Feeder Cable

7/8" Low loss Feeder Cable,Inner Conductor:9.45±0.10mm Smooth 

Copper Tube+Dielectric:22.80±0.30mm Foamed PE+Outer Conductor

:25.20±0.20mm Ring Corrugated Copper Tube,Jacket:27.80±0.30 

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

7/8" Low loss Feeder Cable,Inner Conductor:9.45±0.10mm Smooth Copper Tube+Dielectric:22.80±0.30mm Foamed PE+Outer 

Conductor:25.20±0.20mm Ring Corrugated Copper Tube,Jacket:27.80±0.30 PE or Low Smoke Halogen-free Fire-retardant PE is optional,PACKING:500M/WOODEN DRUM.

Specification

Item

Specification

Construction


Material

Diameter(mm)

Inner Conductor

Smooth Copper Tube

9.30

Dielectric

Foamed PE

22.8

Outer Conductor

Ring Corrugated Copper Tube

25.4

Jacket

PE or Low Smoke Halogen-free Fire-retardant PE

27.8

Electrical & Mechanical Properties

Impedance (Ohm)

50±1

Capacitance(pF/m)

74

Velocity(%)

89

Peak Power Rating(kw)

91

RF Peak Voltage (kv)

3.0

Insulation Resistance(M Ω. km)

>5000

Cut-off Frequency(GHz)

5.0

Insulation Voltage(kv)

10

Inner Conductor DC Resistance(Ω/km)

1.4

Outer Conductor DC Resistance(Ω/km)

1.2

Jacket Spark(kv)

8.0

Shielding Effectiveness(dB)

>120

Min. Single Bending Radius(mm)

90

Min. Repeated Bending Radius(mm)

250

No. of Bends

15

Tensile Strength(kg)

153

Storage Temp.(℃)

-55+85

Installation Temp.(℃)

-40+60

Operating Temp.(℃)

-55+85

 

 

VSWR≤(Return loss≥dB)

Frequency

0.005—3GHz 0.8—1.0GHz  1.7—2.0GHz  2.0—2.4GHz

dB

1.15 (23)

1.10 (26)

1.10 (26)

1.10 (26)

Attenuation (VSWR1.0,cable temp.20℃) and Average Power ( VSWR1.0,ambient temp.40℃)

Frequency(MHz)

Attenuation(dB/ 100m)

Average Power(kw)

100

1.16

7.49

200

1.66

5.21

450

2.56

3.39

800

3.51

2.48

900

3.75

2.32

1000

3.97

2.19

1500

4.99

1.74

1800

5.54

1.53

2000

5.88

1.48

2200

6.21

1.42

2400

6.54

1.31

2500

6.69

1.26

3000

7.45

1.17


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