Annex
Channel spacing
(carrier distance)
1,728 MHz
Transmission rate 1152 kbit/s
Duplex channels per
carrier SB-4+ / SB-8
6 / 12
Number of channels
(duplex channels)
SB-4+ / SB-8
60 / 120
Modulation GFSK
Data transfer rate 32 kbit/s
Voice encoding ADPCM
Transmit power 250 mW peak value10 mW, average power per channel
Range 30 to 250 m
Max. line length to radio
unit - power supply via
DSI bus (0.5mm) - with
power supply unit (9–15
VDC, 400 mA)
1200 m
1200 m
Ambient temperature,
radio unit in operation
-10 °C to 55 °C
Admissible storage
temperature
-25 °C to 55 °C
Relative humidity in
operation
30 % to 80 %
IP class of protection IP 30
Release 7.1
System Manual for Mitel SMB Controller 286