Coaxial Cable RG8U-Series
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Physical
Characteristics
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Component
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Inches
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mm
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Inner
Conductor Diameter
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0.103
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2.62
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Diameter Over
Dielectric
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0.285
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7.25
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Diameter Over
Outer Conductor
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0.310
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7.90
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Diameter Over
Jacket
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0.404
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10.30
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Mechanical and
Electrical Characteristics
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Impedance
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50±2.0 Ohms
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Capacitance
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80(pF/m)
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Velocity of
Propagation
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83%
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Return
Loss(dB)
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VHF5-470MHz≥
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22dB
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UHF470-862MHz≥
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23.5dB
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Screening Efficiency(dB)
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VHF30-1000MHz≥
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85dB
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UHF1000MHzUpward≥
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90dB
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Attenuation[@68°F.
(20℃)]
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Frequency(MHz)
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Maximum(dB/100ft)
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Maximum(dB/100m)
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10
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0.05
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1.3
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50
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0.12
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3.0
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100
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0.17
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4.3
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230
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0.27
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6.8
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300
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0.30
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7.7
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400
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0.36
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9.1
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470
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0.39
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10.0
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860
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0.55
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14.1
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1000
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0.60
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15.3
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1350
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0.72
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18.3
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1750
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0.84
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21.3
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2050
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0.92
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23.4
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