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26 Topcom Butler 3501 Twin/Triple/Quattro
Topcom Butler 3501 Twin/Triple/Quattro
9. TECHNICAL CHARACTERISTICS
• Standard: DECT (Digital Enhanced Cordless Telecommunications)
GAP (Generic Access Profile)
• Frequency range: 1880 MHZ to 1900 MHz
• Number of channels: 120 duplex channels
• Modulation: GFSK
• Speech coding: 32 kbit/s
• Emission power: 10 mW (average power per channel)
• Range: max 300 m in open space /10-50 m inhouse
• Base power supply: 230 V / 50 Hz for the base
• Handset Batteries: 2 rechargeable batteries AAA, NiMh 550mAh
• Handset autonomy: 200 hours in standby
• Talk time: 10 hours
• Charging time: 6-8 hours
• Normal conditions of use: +5 °C to +45 °C
• Dialling mode: Pulse / Tone
• Flash time 100 or 250 ms