48
49
Hearing aids RC-DEX
TM-DEX
Bluetooth* -
NOAHlink
Output
power
(EIRP**)
29 pW
21 nW
1 .2 nW
+4dB re .
1mW
Range
< 1 m remote
unit to hearing
aid
< 30 cm
between hear-
ing aids or
Hearing aid to
TM-DEX
< 1 m
remote unit
to hearing
aid
< 30 cm
between hear-
ing aid and TM-
DEX
< 10 m
between PC
and
NOAHlink
Center fre-
quency
10 .6 MHz
10 .6 MHz
10 .6 MHz
2 .4 GHz
Channel
Single channel
radio
Single chan-
nel radio
Single channel
radio
5 logical
channels
Bandwidth
660 kHz (-15
dB)
660kHz (-15
dB)
660kHz
(-15 dB)
1 MHz