Corrugated 7 8 Feeder Cable 50 Ohms PE Coaxial 7/8'' Hard Line Cable for RF Transmission

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What is FMUSER 7 8 Feeder Cable?

 

In the broadcasting equipment industry, 7 8 Feeder Cable has many aliases, such as:

 

  • 7 8 coaxial cable
  • 7 8 coax
  • 7/8'' feeder pipe
  • 7 8 feeder
  • 7/8 feed tube
  • 7 8 coax feeder
  • etc.

 

Because the appearance of the coaxial feedback tube is similar to that of the coaxial feed line and even the cable, there are often two methods that can be distinguished from each other:

 

The-inner-structure-of-FMUSER-7-8-feer-cable-700px.jpg

 

First, observe their shielding layer. The shielding layer of the feeder consists of the shielding line. The shielding line is a transmission line wrapped in the signal line using a metal mesh woven layer. The shielding layer is composed of a copper tube.

 

Second, observe their size. The feeder and the feeder are also very different in size. For the feed line, they are often very fine, and the common feeding line size is:

 

  • RG-6 (6.15mm)
  • RG-11 (10.30mm)
  • RG-58 (4.95mm)
  • RG-59 (6.15mm)
  • RG-62 (6.15mm)
  • RG-12 (14.10mm)
  • RG-213 (10.33)

 

The feedback tube is thicker, and the common feedback tube size is:

 

  • 1/2''
  • 7/8''
  • 1-5/8''
  • 3-7/8''
  • etc.

 

It is worth mentioning that for the first two types of sizes (1/2 and 7/8), there are two designs: hollow and solid conductor, and the latter two feeders are often empty designs, although hollow The cost of coaxial feedback tube is more expensive, its performance will be stronger than the solid feedback management, and it is more difficult to overhaul.

 

FMUSER 7 8 coaxial cable is alway in stock for radio stations 700px.jpg

 

In addition to the difference in size, the performance of performance has stronger performance than ordinary feeders, which is due to the unique design of the feeder, including Solid Shields, a foam dielectric, and a copper conductor.

 

To meet the needs of different customers, we also provide the hollow 7 8 feeder cables, which are more flexible and bendable than the solid feeder cables. Please contact our sales team if you need more details!  

 

 Contact now for more 

 

7 8 Feeder Cable Alternatives

 

Click the links below to explore more about the 7/8'' feeder cable alternatives, best price & quality!

 

First-class-manufacturing-quality-of-FMUSER-1-2-feeder-cable-700px.jpg FMUSER-1-5-8-feeder-cable-with-solid-(hollow-type-is-optional)-copper-made-conductor-700px.jpg
1/2'' Coax 1-5/8'' Coax
Visit more about passive accessories, coaxial cables, and connectors. More>>

 

 

Where to Buy the Best 7 8 Feeder Cable?

 

FMUSER is the premium manufacturer of 7 8 feeder cable. In most FM/AM/TV broadcasting stations, our 7 8 coaxial cable can be easily deployed in the connection of the transmitter antenna systems

 

Manufacturing factory of FMUSER 7 8 feeder cable 700px.jpg

 

Most importantly, every end-user of FMUSER 7 8 coax will be promised with:

 

  • Outstanding performance
  • Ultra flexibility
  • Low loss or low attenuation
  • Low PIM (passive intermodulation)
  • UV resistance
  • Easy-management, easy-installation
  • Fire resistance

 

First-class-manufacturing-quality-of-FMUSER-7-8-feeder-cable-700px.jpg

 

FMUSER 7-8 feeder cable has reliable thermal conductivity, which is due to its excellent low attenuation characteristics, which provides a considerable product life, this will reduce the long-term operating costs of the radio stations. Thanks to our manufacturing factory, this 7 8 hardline coaxial cable can be applied in a wide range of applications, such as:

 

  • Indoor
  • Wireless Communication
  • TV & Radio
  • HF Defense
  • Microwave
  • Mobile Radio
  • Cable Solutions

 

 Ask for Quotation

 

Terms Specs Notes
Physical
Inner conductor 9.4mm Spiral wrinkle copper tube
Insulator 21.5mm Foamed polyethylene
Outer conductor 25.0mm Ring wrinkle copper tube
jacket 27.5mm Polyethylene / flame retardant polyolefin
Static minimum bending radius 80mm Single bending
Dynamic minimum bending radius 125mm Repeated bending 15 times
Tensile force 2000N N/A
Cable weight 500 (550) kg/km N/A
RF
Characteristic impedance 50±1Ω N/A
Transmission ratio 0.88 Nominal value
Minimum insulation resistance 500MΩ km DC500V 1 minute
capacitance 76pF/m Nominal value
Withstand voltage DC6000V 1 minute
Rated peak power 90KW
Peak voltage 3100V
Typical voltage standing wave ratio 1.08 800M~1000MHz
1.08 1700M~2000MHz
1.08 2100M~2400MHz
Average Power
Frequency Attenuation Average power
10 0.39 21.5
100 1.29 5.6
150 1.59 5.4
200 1.85 4.6
300 2.29 3.7
450 2.85 3
500 3.02 2.82
700 3.62 2.39
800 3.89 2.2
900 4.15 2.07
1000 4.4 1.95
1500 5.52 1.55
1700 5.92 1.45
1800 6.12 1.4
1900 6.31 1.35
2000 6.49 1.31
2100 6.68 1.28
2200 6.86 1.25
2400 7.22 1.2
2500 7.38 1.17
2700 7.72 1.1
3000 8.2 1.04
3400 8.84 0.98
4000 9.74 0.89
5000 11.13 0.78
  • Please contact our sales team for more details!

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