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Co-Axial Cables

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Co-Axial Cables

Coaxial Cables are an electrical cable with an inner conductor surrounded by a tubular insulating layer typically of a flexible material with a high dielectric constant, all of which are surrounded by a conductive layer (typically of fine woven wire for flexibility, or of a thin metallic foil), and finally covered with a thin insulating layer on the outside. The term coaxial comes from the inner conductor and the outer shield sharing the same geometric axis. Coaxial cable was invented by English engineer and mathematician Oliver Heaviside, who first patented the design in 1880.
Co-Axial & Lan Cables
Coaxial cable is used as a transmission line for radio frequency signals, in applications such as connecting radio transmitters and receivers with their antennas, computer network (Internet) connections, and distributing cable television signals. One advantage of coax over other types of transmission line is that in an ideal coaxial cable the electromagnetic field carrying the signal exists only in the space between the inner and outer conductors. This allows coaxial cable runs to be installed next to metal objects such as gutters without the power losses that occur in other transmission lines, and provides protection of the signal from external electromagnetic interference.


Co Axial cables are widely used in TV operations, Radios, Ethernets, video equipments, Computer networking and close cicuit camera connections. Solid/ Flexible annealed bare copper is used as a conductor, shielded with fine aluminium/copper braid and sheathed with PVC makes it ideal for connectivity and signal strength.

View Technical Specification
RF Cable type RG 59 RG 6 RG 11
Conductor dia mm 0.81 1.0 1.63
Di- electric 3.75 4.60 7.15
Alluminium myler tape

overall dia

3.95 4.80 7.35
Alluminium wire braid


60% 60% 60%
PVC sheath OD 6.10 6.8 10.10

Electrical parameter

Nominal D.C. resistance

Ohms / Km

44.83 27.30 8.50
Nominal Capacitance pF/ft. 16.20 16.20 16.20
Impedence in Ohms 75 Ohms 75 Ohms 75 Ohms
Attenuation at 1000 MHZ

dB/100 meter

27.10 21.70 14.10

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