Caracteristiques techniques – Topcom BUTLER 2550 User Manual
Page 66
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66
Topcom Butler 2550
FRANÇAIS
11. CARACTERISTIQUES TECHNIQUES
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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
•
Modulation:
GFSK
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Speech coding:
32 kbit/s
•
Emission power:
10 mW (average power per channel)
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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
B2550_eur.book Page 66 Wednesday, October 23, 2002 3:35 PM
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