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Topcom Butler 3501 Twin/Triple/Quattro
Topcom Butler 3501 Twin/Triple/Quattro
9. TECHNICAL CHARACTERISTICS
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Standard:
DECT (Digital Enhanced Cordless Telecommunications)
GAP (Generic Access Profile)
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Frequency range:
1880 MHZ to 1900 MHz
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Number of channels:
120 duplex channels
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Modulation:
GFSK
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Speech coding:
32 kbit/s
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Emission power:
10 mW (average power per channel)
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Range:
max 300 m in open space /10-50 m inhouse
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Base power supply:
230 V / 50 Hz for the base
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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
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