Product Overview: The TeleDelta LF78-TD-001 is a 7/8 Inch 50 Ω leaky feeder cable designed for underground, in-building, and mobile communication applications. This cable ensures reliable signal distribution across challenging environments.

Key Features:

• Applications: Ideal for underground and above-ground installations.
• Construction:
  • Inner conductor: Smooth wall, copper-coated (9mm diameter).
  • Insulation: Physically foamed PE (22.6mm diameter).
  • Outer conductor: Corrugated copper tube with radiating slots (24mm diameter).
  • Jacket: Low Smoke Halogen-Free (LSZH) in standard black, with optional blue and yellow colors.
• Performance:
  • Frequency Range: 10 ~ 2700 MHz.
  • Impedance: 50 Ω (+/- 2 Ω).
  • Peak Power: 100.0 kW.
  • Velocity Ratio: 88%.
  • Insulation Resistance: ≥5000 Megaohms/km.
  • Sheath Spark Test Voltage: 8000V.

Mechanical Specifications:

• Temperature Range: -20°C to +70°C.
• Weight: 0.45 kg/m.
• Bend Radius: Single 250mm, multiple 300mm.
• Recommended Hanger Spacing: 1.2m.
• Tensile Strength: 1200N.

Electrical Specifications:

• Attenuation (dB/100m at 20°C):
  • 150 MHz: 1.70
  • 500 MHz: 3.40
• Coupling Loss (dB at 95%):
  • 150 MHz: 75.0
  • 500 MHz: 72.0
• VSWR: <1.30 @ 500 MHz.

Available Lengths:

• Standard drum lengths: 300m and 500m.
• Custom lengths available upon request.

Accessories:

• Connectors:
  • TD-716-M: 716 DIN Male Connector.
  • TD-716-F: 716 DIN Female Connector.
• Installation Items:
  • Hangers and clamps for secure installation, including 50mm and 80mm radiating clamp stand-offs

  • Data Sheet