RF22(7/8″)

Construction

Inner conductor 

Corrugated copper tube 

Φ9.0 mm 

Dielectric 

Foam PE 

Φ22.3 mm 

Outer conductor 

Corrugated copper 

Φ24.9 mm 

Sheath 

PE/LSOH 

Φ27.5 mm 

Electrical & Mechanical Characteristics

Impedance 

50±3 Ohm 

Nominal capacitance 

75 pF/m 

Velocity of propagation 

89%

Insulation resistance 

>5000 Mohm.Km 

Inner conductor resistance 

1.05 Ohm/Km 

Outer conductor resistance 

1.18 Ohm/Km 

Installation temperature range 

-40°C - +60 °C 

Operating temperature range 

-55°C - +85°C 

Test voltage 

6 KV 

Cable weight (approx.) 

490kg/km 

Operating Frequency Band 

1 – 5000 MHz 

Screening effectiveness 

>120dB 

Attenuation

Frequency  

Attenuation  

Attenuation  

Frequency  

Attenuation  

Attenuation  

(MHz)

(dB/100m)

(dB/100ft)

(MHz)

(dB/100m)

(dB/100ft)

10

0.37

0.11

 

5.57

1.7

100

1.19

0.36

1800

5.75

1.75

150

1.48

0.45

2000

6.11

1.86

200

1.72

0.52

2100

6.29

1.92

300

2.13

0.65

2200

6.46

1.97

450

2.65

0.81

2300

6.63

2.02

500

2.81

0.86

2500

6.97

2.12

700

3.38

1.03

2700

7.29

2.22

800

3.63

1.11

3000

7.76

2.37

900

3.87

1.18

3400

8.37

2.55

1000

4.12

1.26

4000

9.24

2.82

1500

5.18

1.58

5000

10.59

3.23

Return Loss

806-960 MHz 

24.3dB

1700-2000 MHz 

24.3dB 


© 2025. All rights reserved.

One-click to Quickly Contact

Products

Contact

Company

Location:

Building A Private Science and Technology Park, Hefei Economic and Technological Development Zone, Anhui Province, China

Heat Resistant Cable

WhatsApp: +86 17333223430

Social Media: