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RG-6U cable Suitable for Closed Circuit Television Monitoring System
Packaging:depends on customer
1,Electrical specifications: o Impedance: 50±3Ω o Capacitance: 80.3pF/m o Velocity of propagation: 83.0% o Return loss: more than 20dB o Screening effectiveness: more than 90dB o Inner conductor DCR: 17.6Ω/km o Outer Shield DCR: 16.1Ω/km o Voltage withstand: 1,000.0V DC o Spark test: 3000.0Vrms o Installation...
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Coaxial Cable, or coax (pronounced /ˈkoʊ.æks/), is a type of cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield. Many coaxial cables also have an insulating outer sheath or jacket. The term coaxial comes from the inner conductor and the outer shield sharing a geometric axis. Coaxial cable was invented by English engineer and mathematician Oliver Heaviside, who patented the design in 1880. Coaxial cable differs from other shielded cable used for carrying lower-frequency signals, such as audio signals, in that the dimensions of the cable are controlled to give a precise, constant conductor spacing, which is needed for it to function efficiently as a radio frequency transmission line.