RF Coaxial Cables

HCTAY(Z) 50-22 (7/8″) RF Coaxial Cable

50 Ω 7/8″ corrugated copper-tube RF feeder engineered for medium-power base-station applications. Delivers lower attenuation and higher power rating than 1/2″ cable across the full cellular band.

HCTAY(Z) 50-22 (7/8″) RF Coaxial Cable — ZTT telecom cable

Features & Characteristics

  • Copper-clad-aluminum or copper inner conductor
  • Physically foamed polyethylene dielectric
  • Overlapping corrugated copper or aluminum outer conductor
  • PE or LSZH flame-retardant jacket
  • 50 Ω characteristic impedance
  • Suitable for 2G / 3G / 4G / 5G base-station feeder use

Applications

  • Mobile communication base-station feeder lines
  • Antenna to radio jumper connections
  • Point-to-point microwave links
  • Indoor and outdoor RF trunk feeder installations

Mechanical characteristics

Diameter over dielectric
22.0 mm
Diameter over jacket
27.6 mm
Inner conductor OD
8.7 mm
Outer conductor OD
24.9 mm
Weight
0.53 kg/m
Min bending radius (single)
120 mm
Min bending radius (repeated)
250 mm
Tensile strength
2000 N
Operating temperature
-40 °C ~ +70 °C

Electrical characteristics

Characteristic impedance
50 ± 1 Ω
Relative propagation velocity
88 %
Capacitance
76 pF/m
Peak power rating
91 kW
VSWR (800–1000 MHz)
≤ 1.07
VSWR (1700–2300 MHz)
≤ 1.07

Attenuation & power rating

Frequency (MHz)Attenuation (dB/100 m)Power rating (kW)
1001.149.10
1501.417.35
2001.646.34
3002.045.11
4502.534.13
5002.683.92
7003.233.36
8003.483.05
9003.712.87
10003.942.70
15004.962.17
18005.511.96
20005.851.86
21006.021.79
22006.191.75
24006.511.61
25006.671.58
27006.981.54
30007.431.47

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