The telephone cable has the following specifications:

• Maximum cable temperature for mobile connections: 50 °C
• Minimum cable temperature for mobile connections: -30 °C
• Length: 270 mm
• Spiral length (non-extendable): 1000 mm
• Spiral length (extendable): 3500 mm
• Number of conductors: 2
• Outer sheath material: PUR (polyurethane)
• Rated voltage U: 500 V
• Rated voltage U0: 300 V
• Approximate outer diameter: 6.6000 mm
• Series: SPIRAL 540 P
• Weight: 0.3000 kg
• Conductor insulation material: Other
• Conductor classification: Class 5 = flexible
• Insulation color: Yellow
• Rated conductor cross-section: 0.7500 mm²
• Protective conductor: No