Leaky Cable for Rail Transit Signal System

• Structural Parameters

  Product Model	Inner Conductor		Insulation	Outer Conductor		Outer Sheath
  	Material	Diameter		Material	Diameter	Material	Diameter
  HLRCTCY(Z)-50-32E (1-1/4”)	Smooth copper tube	13.10mm	Physically-foamed polyethylene insulation	Punched hole copper strip landing edge longitudinal wrapped	34.00mm	Black polyethylene or low smoke halogen-free flame retardant polyolefin	38.00mm
  HLRHTCY(Z)-50-42E (1-5/8”)	Spiral corrugated copper tube	17.40mm			44.00mm		49.00mm

  Mechanical & Environmental Properties

  Product Model	Minimum Bending Radius for a Single Time	Minimum Bending Radius for Multiple Times (15 Times)	Maximum Tensile Resistance	Installation Temperature	Working Temperature
  HLRCTCY(Z)-50-32E (1-1/4”)	400mm	500mm	2000N	-55℃～+85℃	-40℃～+70℃
  HLRHTCY(Z)-50-42E (1-5/8”)	500mm	700mm	2500N

  Electrical Properties

  Product Model		HLRCTCY(Z)-50-32E (1-1/4”)		HLRHTCY(Z)-50-42E (1-5/8”)
  		1	2	1	2
  Average Characteristic Impedance(Ω)		50±2
  Transmission Rate		90%
  Capacitance(pF/m)		76
  Dielectric strength(V,DC,1min)		10000		15000
  Minimum Insulation Resistance(MΩ·km)		10000
  Sheath Spark Testing(V,AC,Effective Value)		10000		10000
  Longitudinal Attenuation dB/100m ±5%,20℃	800MHz	-	2.7	-	2.2
  	1800MHz	4.9	5.0	3.8	4.2
  Coupling Loss dB±5dB 95%,2m	800MHz	-	78	-	70
  	1800MHz	72	72	68	68
  VSWR	800~900MHz	-	≤1.30	-	≤1.30
  	1780~1810MHz	≤1.30	≤1.30	≤1.30	≤1.30