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28 Topcom Butler 3550/Twin
Topcom Butler 3550/Twin
11 Technical characteristics
Standard: DECT (Digital Enhanced CordlessTelecommunications)
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
Powersupply Basestation: 230V / 50 Hz / 55 mA
8VDC 300mA - 9VDC 120mA
Handset Batteries: 2 rechargeable batteries AAA, NiMh 550mAh
Handset autonomy: 100 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