Q:What is the antenna cable

You can buy a professional point of the antenna feeder, the other is not suitable for the spread of the signal!

Q:500 mesh stainless steel mesh how welding method

And there are objects on the classification of particles, screening function in line with industry, institutions, standards approved mesh products.

Q:How many pieces of barbed wire are there?

Barbed wire above the barbed, scratched clothes are small, serious wrapped around you, messed up a layer of skin, and finally died also hung above.

Q:Why the wires are made of aluminum wire or copper wire core, but also wrapped in plastic outside

The same length and cross section of the wire, silver wire resistance is minimal, followed by copper wire, aluminum wire, out of price and resistance, copper and aluminum better. But aluminum is easy to be oxidized, and now most of the wire is made of copper wire.

Q:SB insulation board is what material

SB insulation board is EPS board for the insulation base, two-way cross oblique insert ф2.2mm cold drawn steel wire; wire inserted into the insulation layer 4/5 and not through, single surface covered with mesh 50mm * 50mm ф2mm cold copper

Q:Cable TV line is the middle of the copper core, aluminum paper is wrapped outside the copper mesh it?

Cable TV cable line is the middle of the copper core, and then outside the layer of foam, foam is aluminum paper

Q:Barbed wire and copper mesh which shield effect is good

For the signal shielding, copper wire shielding effect is good.

Q:What is the material of the clamp material

distribution room, laboratory and field live operation. It is widely used in substation, power plant, distribution room, laboratory and field live operation.

Q:Will the set-top box RF interface that line of TV line how to pick up the line inside the aluminum foil and copper mesh to get the interface does not touch that interface is not required

The Because my home TV connected to the set-top box after the noise Yeah

Q:Is the cable wrapped in the electrical insulation layer and the insulation layer is not the same layer?

No, the insulation layer is not on the outside, there are insulators