Tri-Shield RG7 CATV Coaxial Cable, 75 Ohm RG Coaxial Cable for CATV, DBS Direct Broadcasting Satelli

construction

Testing item

Unit

Standard

Inner conductor

mm

1.30±0.01

Dielectric

5.72±0.05

1st shield, Tape

Material

-

Bonded aluminum foil

2nd shield, Braid

Material

-

Alloy wire

Diameter

mm

0.15

Ends

EA

5

Carrier

EA

16

Pitch

mm

32

Electrical properties

Coverage

%

60%

3rd shield, Tape

Martial

-

Normal aluminum foil

Outer jacket

PVC or PE

mm

8.20±0.10

Withstanding voltage

-

AC 1000V/min

Capacitance

pF/m

54±3

Characteristic impedance(10MZ)

Ω

75±3

SRL

dB

20

Velocity of propagation

%

85

Attenuation

@ 68OF(20oC) (max)

5MHZ

dB/100m

1.54

55MHZ

4.10

250MHZ

8.40

300MHZ

9.25

450MHZ

11.35

600 MHZ

13.28

750 MHZ

14.99

865 MHZ

16.17

1000 MHZ

17.45

1200 MHZ

19.23

1450 MHZ

21.13