16.9 Measurement Wavelengths and Output Power
Information about wavelength range can be useful to clinicians.
Light
Range of Peak Wavelengths
Max Output Power
Red
Infrared
649 to 657 nm red
924 to 937 nm infrared
<10 mW
<10 mW
16.10 Transmitters
Accessory
Frequency Band
Modulation Scheme Eective Radiated Power
Base Station Wi-Fi
Base Station BLE
Sensor BLE
2412 - 2462MHz
2402 - 2480MHz
2402 - 2480MHz
DSSS
GFSK
GFSK
Average: 11.4 dBm, Max: 18 dBm
Average: 12.5 dBm, Max: 19 dBm
Average: 0 dBm, Max: 8 dBm
16.11 Power
! NOTE.
If
p
ower is disru
p
ted, Bab
y
Sat will sound a medium
p
riorit
y
alarm for 2 minutes. If
p
ower is not restored, Bab
y
Sat will safel
y
p
ower down.
U
nit
External Power Requirements
Modulation Scheme
Specification
Sensor
Base Station
N
ormal o
p
eration: non
Re-
C
harging: Base Station
P
ower ada
p
ter with a voltage of 5
V
and a
current 1.0 A.
Su
pp
lies electrical
isolation on all
p
oles.
Rechargeable
C
oin t
yp
e Li-ion coin cell
with a nominal voltage of 3.8
V
and a
ca
p
acit
y
of 60mAh.
Rechargeable Li-ion
P
ol
y
mer Batter
y
with a nominal voltage of 3.7
V
and a
ca
p
acit
y
of 30mAh.
Op
erating
T
ime
(
new
)
: 16 hours
Recharge
T
ime: 2 hours
Op
erating
T
ime: 10
minutes
Recharge
T
ime: 3 hours
5
9
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