nner Conductor

Dielectric

1^st Outer Conductor

2^st Outer Conductor

Jacket 

Bare Copper (7Strand)

Foam PE

Laminate Aluminum Tape

90%Tinned-Copper Braid

PVC

7/0.27±0.005(Φ0.81)

2.10±0.10

2.25±0.10

2.65±0.10

3.30±0.20

Coppery

Natural Color

Silvery

Silvery

Black

Physical Mechanical Specifications                                            

Item

Unit

Date

Minimum Bend Radius

Loaded

20×Cable OD

Unloaded

10×Cable OD

Temperature Rating,℃

-40~+80

Electrical Specifications                                                    

Item

Unit

Date

Impedance

50±3

Capacitance

pF/m

80

Velocity ratio Propagation

%

83

Resistance

Ω/km

Inner Conductor

48.5

Insulation resistance

MΩ.km

≥1000

Dielectric strength

V(AC)/min

≥1000

Withstand voltage of jacket

V(AC)/min

≥1000

Attenuation, Typical value (20℃)  (Maximum allowable out of tolerance 15%)                                                   

Frequency MHZ

dB/100m

100

19

200

22

400

32

500

37

800

44

1000

49

1200

54

1500

65

1800

67

2000

71

2500

81

3000

88

4000

105

5000

121

5800

132

6000

135