GuidePort: System Manual
27. November 2000
Seite 11
2.2.5
Technical Data
RF transmission frequency range
f
2.4 - 2.4835
GHz
Max. radiated RF peak power
P
1
0
mW
dBm
ERP for North America in
compliance with FCC
P
10
10
mW
dBm
ERP for Europe in compliance with
ETS 300 440
RF antenna
internal
chip antenna, mounted on board
external
directional, wall-mounted antenna
(opt.)
RF channel bandwidth
f
2.6
MHz
Total number of RF channels
94
Transmission range of cell transmitter
for quasi error-free reception, no walls
s
s
>30
>50
m
m
1 mW RF peak power
10 mW RF peak power
Spurious frequencies outside the ISM
band
in compliance with ETS/FCC
Modulation type
2-FSK
binary frequency shift keying
Modulation indexµ
0.5 ... 0.7
µ
= 2*
∆
f/f
bit
Modulated data rate f
bit
/channel
1024
kbit/s
