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116 Topcom Butler 2551 Deluxe
Topcom Butler 2551 Deluxe
11. 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: 300 m in open space /50 m maximum inhouse
• Base power supply: 220 V / 50 Hz for the base
• Handset Batteries: 2 rechargeable batteries AAA, NiMh 550mAh
• Handset autonomy: 250 hours in standby
• Talk time: 15 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
HL_B2551.book Page 116 Thursday, November 6, 2003 10:19 AM