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| Coaxial Cable RG7U-Series | |||||||
| Physical Characteristics | |||||||
| Item | Material | Standard Shield | Tri-Shield | Super-Shield | |||
| Inche | mm | Inche | mm | Inche | mm | ||
| Center Conductor Diameter | CU/CCS | 0.051 | 1.30 | 0.051 | 1.30 | 0.051 | 1.30 |
| Diameter Over Dielectric | Foamed PE | 0.225 | 5.72 | 0.225 | 5.72 | 0.225 | 5.72 |
| Diameter Over Jacket | PVC/PE | 0.319 | 8.08 | 0.323 | 8.20 | 0.338 | 8.59 |
| Outer Conductor Structure | Copper, Tin plating Copper or Aluminum | AL foil(bonded ORunbonded)+Braid Coverage 40%,50% Etc | double AL foil | Braid Coverage 40%,50% ,60% Etc | |||
| Electrical Characteristics | |||||||
| Impedance | 75±3.0 Ohms | ||||||
| Capacitance | 54±3.0(pF/m) | ||||||
| Velocity of Propagation | 85% | ||||||
| Return Loss(dB) | VHF5-300MHz≥ | 22dB | |||||
| UHF300-960MHz≥ | 20dB | ||||||
| Screening Efficiency(dB) | VHF5-50MHz≥ | 85dB | |||||
| UHF200MHz Upward≥ | 90dB | ||||||
| Attenuation[@68°F. (20℃)] | |||||||
| Frequency(MHz) | Maximum(dB/100ft) | Maximum(dB/100m) | |||||
| 5 | 0.47 | 1.54 | |||||
| 55 | 1.25 | 4.10 | |||||
| 83 | 1.50 | 4.92 | |||||
| 187 | 2.22 | 7.28 | |||||
| 211 | 2.36 | 7.74 | |||||
| 250 | 2.56 | 8.40 | |||||
| 300 | 2.82 | 9.25 | |||||
| 350 | 3.05 | 10.01 | |||||
| 400 | 3.27 | 10.73 | |||||
| 450 | 3.46 | 11.35 | |||||
| 500 | 3.67 | 12.04 | |||||
| 550 | 3.85 | 12.63 | |||||
| 600 | 4.05 | 13.28 | |||||
| 750 | 4.57 | 14.99 | |||||
| 865 | 4.93 | 16.17 | |||||
| 1000 | 5.32 | 17.45 | |||||
