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