BT 900 - Manual (Page 39)

Technical specification
Standard DECT/GAP
Number of channels 120 duplex channels
Radio frequency range 1880 MHz to 1900 MHz
Duplex method Time-division multiplexing. 10 ms frame length
Channel spacing 1728 kHz
Bit rate 1152 kbit/s
Modulation GFSK
Voice coding 32 kbit/s
Transmitted power 10 mW, average output per channel
Range up to 300 metres outdoors (uninterrupted line
of sight)
up to 50 metres in buildings
Power supply Base station 230 V/50 Hz (AC adaptor)
Power consumption base station 3.9 VA
Operating time, mobile unit Standby: up to 60 hours
(with fully charged battery) Phone in use: Up to 6 hours
Permitted ambient conditions 0°C to 40°C
for operation (maximum) 20% to 75% rel. humidity
Permitted storage temperature –10°C to +60°C
Signalling method DTMF
Signal key function Earth Recall/Timed Break Recall
Base station dimensions 150mm x 105mm x 120mm (L x W x H)
Telephone unit dimensions 180mm x 60mm x 35mm (L x W x H)
Weight Base station: 250g
Handset: 200g (with battery)
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