75 ohm Aluminum Wire Braid Trunk Cable, Rg412 Coaxial Cable With Messenger for CCTV, CATV
Product description:
Inner conductor is bare solid copper. Dielectric core is insulating grade virgin polyethylene. The 1st shield is two aluminum foils laminated to a strength member and a bonding resin on one side, the second shield is 82% aluminum wire braid; jelly or flooded compound is added before outer jacket extrusion. Outer jacket is PE.
Center conductor:
Bare copper
Nominal diameter: 2.26mm
Dielectric:
Gas expanded polyethylene
Nominal diameter over dielectric: 9.26mm
Shield:
1st shield: bonded aluminum foil
2nd shield: aluminum wire braid, 0.16x7ends x24 carry, pitch is 47mm.
PE Jacket:
Nominal diameter over jacket: 12.40
Messenger: 1.30, zinc coated steel
Electrical properties:
Impedance : 75±3 ohms
Velocity of propagation: 86% nominal
Structure return loss: 21dB
Attenuation@ 68OF(20oC):
|
@Frequency MHZ |
dB/100 meters(MAX.) |
|
10 |
0.96 |
|
50 |
1.20 |
|
150 |
2.54 |
|
250 |
4.22 |
|
350 |
5.40 |
|
450 |
7.57 |
|
750 |
9.22 |
|
864 |
10.12 |
|
1000 |
10.85 |
Applications:
- CATV-community antenna television
- CCTV-closed-circuit television
- DBS-direct broadcasting satellite
Competitive Advantage:
- Libo cable was established in 1994, it covers over 340,000 square meters on our operating area.
- Libo cable has a stable workforce and engineering team, our production and testing procedures are all strictly follow requirement of ISO9000, and ISO14000.
- Libo cable is equipped with a Provincial-level Research and Development Center; we offer OEM and ODM services.
